OpenTechnical

OT-2026-000079923

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000079923) never changes.

Identity and time

Publication numberOT-2026-000079923 · never reused
Internal UUID01a0ae96-4377-736a-a4a3-65f9a89fde99 · 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-2026-000079923
StatusPUBLIC

Content hashes

Canonical text6ac54921a06e108471a6c5aa208f13d5f00926eeed570e60b70a3c74d7d0257a
Markdown4833f2e58ceb15130d5238833df858ce42071ae9fbf78899b9234380f7c648d3
PDF
Publication pageb05ae162f1c48e1d2e849c3f7fcd6c36b3687c4e675f142f4a33ed91ee8df01a
Manifest614505004dfdb1ac2a6024bd356dc26fade403e1b362e9abba78ea685c5a6890

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
SignaturenG7txNFAKwmxdhOI3stKpMUEY4LHRB5d3mLAcIu6MaEHR72SmIwj9c4QPEpPp9qBtqadIEPClAKs0+xaWl8hAg==
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

2026-09-17T10:03:49.513621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079923
observed b05ae162f1c48e1d2e849c3f7fcd6c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.496770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079923/manifest.json
observed 614505004dfdb1ac2a6024bd356dc26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.478749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079923/publication.md
observed 4833f2e58ceb15130d5238833df858ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.461040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079923/publication.txt
observed 6ac54921a06e108471a6c5aa208f13d5...
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.