OpenTechnical

OT-2026-000027811

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pulsed blow-off before set-down

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-2026-000027811) never changes.

Identity and time

Publication numberOT-2026-000027811 · never reused
Internal UUID01a0ae72-a4a5-7803-8295-0edb4cdcf83e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027811
StatusPUBLIC

Content hashes

Canonical text3452e361397145f683d4aab3f4c897236c4ea2cd149e1f98f0a516c60ee6bb40
Markdown2c3e399941e4e74349ba22436e69bfb403633d2bb9ba21ffdc231ea3746404d9
PDF
Publication page519a879fc39e7036611587d94f7c6aee042a40374d52e11d335eb857e5d266e9
Manifesta56d453b264ad6dfa6145565436544d6a3ec6b438940b03926a19f8ba18886b1

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
SignatureWuOfhqMGb8BXp8tRMFBXQ7YvFN6K5n5XlRG74fmMBj6IVRBTM/umOGh8bD8PzCyXhdY1Sk2QUz7DDHCOkW32DQ==
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

2026-09-17T11:41:51.647607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027811
observed 519a879fc39e7036611587d94f7c6aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.629599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027811/manifest.json
observed a56d453b264ad6dfa6145565436544d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.609734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027811/publication.md
observed 2c3e399941e4e74349ba22436e69bfb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.590865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027811/publication.txt
observed 3452e361397145f683d4aab3f4c89723...
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.