OpenTechnical

OT-2026-000073466

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073466) never changes.

Identity and time

Publication numberOT-2026-000073466 · never reused
Internal UUID01a0ae92-efb8-7b73-8af5-3f0a444f9b9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073466
StatusPUBLIC

Content hashes

Canonical texte6789113b39f2677ce320e659940165427cca06c4b611ad49552bfaaf96831ae
Markdown29c882788e60b6cf459cbe904dc68a5e31f4033ddcbec0aff5848a732ca4476b
PDF
Publication page6b67febbcc5a44936bd66bfd34b1451713df7225eca52096a264257f02954adb
Manifeste4920ff7bd4797ca25f2a4fbb241c5d8afba7bf51823af4015d6ae9af71af0f9

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
SignatureIcCXVZ1dccO35seI7EFHididrtJ37weVbmpeIptVMEjG6gSxjvL/AqSyCWzINB4FI10BlH+J5M9RcubruS8CDw==
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

2026-09-17T10:21:37.979549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073466
observed 6b67febbcc5a44936bd66bfd34b14517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.960629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073466/manifest.json
observed e4920ff7bd4797ca25f2a4fbb241c5d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.941517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073466/publication.md
observed 29c882788e60b6cf459cbe904dc68a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.916300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073466/publication.txt
observed e6789113b39f2677ce320e6599401654...
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.