OpenTechnical

OT-2026-000079749

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, sustained 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-2026-000079749) never changes.

Identity and time

Publication numberOT-2026-000079749 · never reused
Internal UUID01a0ae96-4375-72d6-a85c-43100790d2f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079749
StatusPUBLIC

Content hashes

Canonical texta7e459f00fade4fa4cc0d1068c204b1e58ed5d01b1c52929a7dc0c1c54607ee7
Markdown414e1260a71c9f4898be133c09e45064653d46b65d9b0eb3d82f7a923268d66e
PDF
Publication pageb6689e0fa11ed4677fc362d0315bb0f6b8711a18e0a658b2191d941b5cec4ebc
Manifest98ae3690ed55ddf3aea97a220df2343ef2c64ef3199961515ef7f67bd806d2da

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
SignatureFk1q1EcwULs2kUAzzOZh7ZowAJyLkdq2kKLk5PTwEWvuEJWUbDTCpB5J8543DVgXOHtntJB26kjPx6usRXAjAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:36.966458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079749
observed b6689e0fa11ed4677fc362d0315bb0f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.946353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079749/manifest.json
observed 98ae3690ed55ddf3aea97a220df2343e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.926503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079749/publication.md
observed 414e1260a71c9f4898be133c09e45064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.907935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079749/publication.txt
observed a7e459f00fade4fa4cc0d1068c204b1e...
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.