OpenTechnical

OT-2026-000056832

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off after 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-2026-000056832) never changes.

Identity and time

Publication numberOT-2026-000056832 · never reused
Internal UUID01a0ae87-7af8-73ae-804b-11864e09ad44 · 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-2026-000056832
StatusPUBLIC

Content hashes

Canonical texte64e263350176eef59e269aa76e343fb40945bc2171e9fc2298341120ff87d8e
Markdown668da58e8fa1a1dfc9dc54d4099e385a7b58b6a2379b15148f3536ac40cb33b5
PDF
Publication page40fac5ebd15497e99f11a177f09da7e51a9c07207f194afae0b7132973b536b2
Manifestb663503d2c6125c5ba0a0341d8194f41216700b2910deb74ffe48904d709db97

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
SignatureYd7BbQ43eSfT4xTOe+GufQZzVTIz7NYkNuW20npc5NbbUp194fNJre4+8M7DgVa6xf/7Wpy4x51SQw3gZYF1Cw==
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

2026-09-17T10:50:19.579285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056832
observed 40fac5ebd15497e99f11a177f09da7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.559492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056832/manifest.json
observed b663503d2c6125c5ba0a0341d8194f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.541409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056832/publication.md
observed 668da58e8fa1a1dfc9dc54d4099e385a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.522790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056832/publication.txt
observed e64e263350176eef59e269aa76e343fb...
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

Custody packagePending Custody packages are produced weekly.