OpenTechnical

OT-2026-000072966

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000072966) never changes.

Identity and time

Publication numberOT-2026-000072966 · never reused
Internal UUID01a0ae92-c815-758c-885a-55fb65ab4052 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072966
StatusPUBLIC

Content hashes

Canonical textba25b7aa1d3edf83306520c0aed5b1674ee85cf15b1078091fed5f8598aa28cb
Markdownf26ea39b34797133ff6e4d8c806dd991cabc946d032adc8b1d9ce4537c7fb4a8
PDF
Publication paged422cbabb303cf98a746bf09b3c2efb5c1487379e174ee64ad023ec815c38f6e
Manifestd30f4d21ace76e35e7ce3be2dae17fd915868135e5519c5b2caa5f6af40fe73e

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
SignatureD/XCj+BJbybxp/ZiG6K2zN789kyi9a6Sr3LRKRLRO57pwXO3QLzyCzwsXd0ASCT96Ramivdb611+ShY1GmHIDw==
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

2026-09-17T10:21:53.510427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072966
observed d422cbabb303cf98a746bf09b3c2efb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.492497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072966/manifest.json
observed d30f4d21ace76e35e7ce3be2dae17fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.474505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072966/publication.md
observed f26ea39b34797133ff6e4d8c806dd991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:53.455479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072966/publication.txt
observed ba25b7aa1d3edf83306520c0aed5b167...
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.