OpenTechnical

OT-2026-000056623

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056623) never changes.

Identity and time

Publication numberOT-2026-000056623 · never reused
Internal UUID01a0ae87-7af5-7d3a-b900-5c7a60709f14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056623
StatusPUBLIC

Content hashes

Canonical texte6749386dc8345afdce2617c6fcce6ec703ddf7f9b363e3881f4a92b2251f41e
Markdowne9706c3fd3fda1675e560ed744b568602be9713a65f251795906c4f9a7fe294c
PDF
Publication page511bcc0aa074eb803e0a4f2d9c304a78a88afdda6444477f95a4c0269b640e61
Manifest781aeb9eff0191cd206c17204281ea7e0b513fefdd97bacc6f6eb232900b1fd5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureh3pTF948eyiHwxihzJkd2j6RDPBDDO5tWwbDwJCZm+NiPG24NWHEOMPnJmAn/32JFZUqyd3fvxvZReLaIt8EBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-11-06T04:41:11.375620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056623
observed 511bcc0aa074eb803e0a4f2d9c304a78...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71
2026-11-06T04:41:11.321446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056623/manifest.json
observed 781aeb9eff0191cd206c17204281ea7e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71
2026-11-06T04:41:11.204554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056623/publication.md
observed e9706c3fd3fda1675e560ed744b56860...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71
2026-11-06T04:41:11.085416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056623/publication.txt
observed e6749386dc8345afdce2617c6fcce6ec...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71
2026-09-17T10:49:58.747179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056623
observed 511bcc0aa074eb803e0a4f2d9c304a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.730522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056623/manifest.json
observed 781aeb9eff0191cd206c17204281ea7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.710890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056623/publication.md
observed e9706c3fd3fda1675e560ed744b56860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:58.693507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056623/publication.txt
observed e6749386dc8345afdce2617c6fcce6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent