OpenTechnical

OT-2026-000051520

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000051520) never changes.

Identity and time

Publication numberOT-2026-000051520 · never reused
Internal UUID01a0ae83-7c80-7652-bbf7-e52530cd80c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051520
StatusPUBLIC

Content hashes

Canonical text82abad328c5074f5770b3a4347576b2fac27e5e3b74249abb47d10a04ae87df8
Markdown3e8ba57885fd212b2ad655e87277fc04fe30a445845d410ce3f84eae4b830470
PDF
Publication page92ac2d37b1069d632fa364cb3300b42e764f368e60bcbbc96e953e14e000b4d0
Manifest4ebe24ecec71678661e408e69e68589026a8c8651ac8eec7a2d85763a99c0696

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
SignaturemtXU5OtawTljmf0r4CRtQbNMmrMIpqk2XOtRCmSoh8Gndiyxi4CZpTegioZJFqyEoPWaXLdua89RdB9016VKCg==
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

2026-09-17T10:58:20.618282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051520
observed 92ac2d37b1069d632fa364cb3300b42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:20.597878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051520/manifest.json
observed 4ebe24ecec71678661e408e69e685890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:20.576563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051520/publication.md
observed 3e8ba57885fd212b2ad655e87277fc04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:20.557426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051520/publication.txt
observed 82abad328c5074f5770b3a4347576b2f...
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.