OpenTechnical

OT-2026-000079827

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000079827) never changes.

Identity and time

Publication numberOT-2026-000079827 · never reused
Internal UUID01a0ae96-4376-7780-910d-518937d4c0a8 · 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-2026-000079827
StatusPUBLIC

Content hashes

Canonical text3ff5a00fd122f1b9fa78b5b2c9d0755070a8a293f02b28b58b77f3f3c800d9ab
Markdowna49712f0d2dc42bfeb99e11e93d66843baaed7e8bcd5c4be57e56305dfc84d78
PDF
Publication page3010d7221f2a8fe8982f4a527d1c23e20751bebfa81a2def0de303e05ba534d7
Manifest4fb525e6f4837f3d593b47c7c708c792fc6c9b5bc74e7f4c2737aa162f69bb6d

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
SignatureffqRmdWCMhYT0nkteP3cR3BAvHsVxfUAoKA9sBOSRfUPyJi6Mn/bURcbr5+HgyyHIPivIQYeswpyKAnMZypUDw==
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

2026-09-17T10:03:23.844164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079827
observed 3010d7221f2a8fe8982f4a527d1c23e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:23.824899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079827/manifest.json
observed 4fb525e6f4837f3d593b47c7c708c792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:23.807041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079827/publication.md
observed a49712f0d2dc42bfeb99e11e93d66843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:23.788758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079827/publication.txt
observed 3ff5a00fd122f1b9fa78b5b2c9d07550...
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.