OpenTechnical

OT-2026-000079912

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000079912) never changes.

Identity and time

Publication numberOT-2026-000079912 · never reused
Internal UUID01a0ae96-4376-748a-bd23-322228938632 · 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-2026-000079912
StatusPUBLIC

Content hashes

Canonical textbd575b69124a31f5fa7fd0ecaa8cf5e44690bdf46f4b30055b1bbf4685ebc9aa
Markdown264def8ed6e14f7bd28fdb61b3e2913cb010617714d9bbb995fafcf95e73e88e
PDF
Publication page5b6dc5b94b5f25face1631e607533c106ce622bbc2faa9b8212c4d2cf5b6d3d5
Manifest91214c63ef241a4ad5e43fc68a3a1dd17b380d8fb2ab1fd1f0a204e609c50f7f

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
SignatureVYf8sP6dck8XqK1hBD1x15R77nIF8DcDWh8q8hmoNTXYvbk1/5wMU/DhTCozpjKyLv5iyGpzi6s+xKRRGYa5Cw==
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

2026-09-17T10:03:48.704851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079912
observed 5b6dc5b94b5f25face1631e607533c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.686119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079912/manifest.json
observed 91214c63ef241a4ad5e43fc68a3a1dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.668029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079912/publication.md
observed 264def8ed6e14f7bd28fdb61b3e2913c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.646906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079912/publication.txt
observed bd575b69124a31f5fa7fd0ecaa8cf5e4...
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.