OpenTechnical

OT-2026-000022488

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000022488) never changes.

Identity and time

Publication numberOT-2026-000022488 · never reused
Internal UUID01a0ae6f-f4fe-72ef-bd89-43e125e788fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022488
StatusPUBLIC

Content hashes

Canonical text355bf44b6dc07bed265d102fb73e7cd26e35ec0d7353a608888c45d8a1084947
Markdownf94c9b8affc9d321e924fa6a6b33e3fa681e629bab9350186e22aacc363666b8
PDF
Publication page488ea215d7f37eaeb3c6c7c80f033d4fa8667e482bd3a058df18cee4d6ea973b
Manifestb4f1f554705ba16679856a4bb1368274fd4c4a195fb94b0eb6434bf97da129eb

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
SignatureMmNy+3eMWG2jKqH97tDUrKbK9DgzNUm5uS6SL6R4HXbBuAj0QnoelwqE2eYT7fnmxCpmBeKPfkbpiLwPL+k7AQ==
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

2026-09-17T11:53:54.504816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022488
observed 488ea215d7f37eaeb3c6c7c80f033d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:54.486992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022488/manifest.json
observed b4f1f554705ba16679856a4bb1368274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:54.467632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022488/publication.md
observed f94c9b8affc9d321e924fa6a6b33e3fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:54.446636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022488/publication.txt
observed 355bf44b6dc07bed265d102fb73e7cd2...
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.