OpenTechnical

OT-2026-000030255

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000030255) never changes.

Identity and time

Publication numberOT-2026-000030255 · never reused
Internal UUID01a0ae73-e500-750e-a8db-8a2c7fcb94f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030255
StatusPUBLIC

Content hashes

Canonical text4c340d7746eb84b4657cefdf4e29c861c26ff212a30c6ac0dd10a690d6a1df3b
Markdown7d126085267ca439cfb636c5407c1264c342da77630f87d8516d6864c8d0bd04
PDF
Publication page37e254f0131b7cd0e21db813541e8764d68a04ffbd8c4e3efc3049d3860b7190
Manifeste026e15b79d6e5e01780258252d6fd2882b9bc633c92249a589523683f5d8131

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
SignatureBDc5KO8GyLUKc7WkZbBUdsBaJyVkQDCzngVN8TtC7Mx7PUnvDQRnI8ZOIDy9yDg+RZ8OuxwXGs/dkhAUxdLbBw==
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

2026-09-17T11:40:45.013029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030255
observed 37e254f0131b7cd0e21db813541e8764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.996209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030255/manifest.json
observed e026e15b79d6e5e01780258252d6fd28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.976733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030255/publication.md
observed 7d126085267ca439cfb636c5407c1264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.957623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030255/publication.txt
observed 4c340d7746eb84b4657cefdf4e29c861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.971478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030255
observed 37e254f0131b7cd0e21db813541e8764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.954360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030255/manifest.json
observed e026e15b79d6e5e01780258252d6fd28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.938107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030255/publication.md
observed 7d126085267ca439cfb636c5407c1264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.922504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030255/publication.txt
observed 4c340d7746eb84b4657cefdf4e29c861...
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.