OpenTechnical

OT-2026-000042787

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000042787) never changes.

Identity and time

Publication numberOT-2026-000042787 · never reused
Internal UUID01a0ae7a-c0d0-7170-b3c6-d9f605849c7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042787
StatusPUBLIC

Content hashes

Canonical textace96dbf08a4b9892a326de09d7bfeac46c47213e4d81504188105c081d696b7
Markdownea723b0f2b86bc42e637f5f95590b92a947f759a8d33d45548bf1238a2f98622
PDF
Publication pageea81c1c6f1635ba1c679c660a0ea17870f1b42592a613ff98ea2d94a45d5fa85
Manifeste2cc34b411b729e6ec969a785fddbd2652c8eb8471de96a2e54d853e7ba3fc81

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
Signature/9tnETZlfULfsk0JkJDhdgMtK1+XAvCBSma65UpGOXkOcv2MjoaZcs4/84/5AvO0wZ5+EZ72JDIhps/PXRIrCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-10-12T16:41:36.372481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042787
observed ea81c1c6f1635ba1c679c660a0ea1787...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T16:41:36.291941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042787/manifest.json
observed e2cc34b411b729e6ec969a785fddbd26...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T16:41:36.219501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042787/publication.md
observed ea723b0f2b86bc42e637f5f95590b92a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T16:41:36.144849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042787/publication.txt
observed ace96dbf08a4b9892a326de09d7bfeac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.113615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042787
observed ea81c1c6f1635ba1c679c660a0ea1787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.092506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042787/manifest.json
observed e2cc34b411b729e6ec969a785fddbd26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.071938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042787/publication.md
observed ea723b0f2b86bc42e637f5f95590b92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:15.050330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042787/publication.txt
observed ace96dbf08a4b9892a326de09d7bfeac...
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