OpenTechnical

OT-2026-000050803

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000050803) never changes.

Identity and time

Publication numberOT-2026-000050803 · never reused
Internal UUID01a0ae82-c7b2-7c94-99b6-f323752bd369 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050803
StatusPUBLIC

Content hashes

Canonical text1c3b2c36065063606cb59e57d89441509b3c4b0132c3e16a773820821c9dc2a7
Markdown8d15d7fe95d13cf24916dc5a25456552740ffe4499ee983d8da29bb02cda0358
PDF
Publication page672736ddd40793e9c229bb5a42fb9e21c2f612d1f4e39b04079cdababde95342
Manifest0fe1de42f17d74022ac3f38f45e16a29dabad8d4aab5f01e09aa099f7bbc2965

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
SignatureJGVITHQj3wlxftZ8tri339eA0UaHxfkQTE8oVKs2Yf+myavePzHlaFLsKfzilCu5iFbqht/ZSCCaua09u0XuAA==
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

2026-09-17T11:00:20.031868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050803
observed 672736ddd40793e9c229bb5a42fb9e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.010578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050803
observed 672736ddd40793e9c229bb5a42fb9e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.005309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050803/manifest.json
observed 0fe1de42f17d74022ac3f38f45e16a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.978815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050803/manifest.json
observed 0fe1de42f17d74022ac3f38f45e16a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.977864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050803/publication.md
observed 8d15d7fe95d13cf24916dc5a25456552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.949954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050803/publication.md
observed 8d15d7fe95d13cf24916dc5a25456552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.949546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050803/publication.txt
observed 1c3b2c36065063606cb59e57d8944150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.921972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050803/publication.txt
observed 1c3b2c36065063606cb59e57d8944150...
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.