OpenTechnical

OT-2026-000076298

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-2026-000076298) never changes.

Identity and time

Publication numberOT-2026-000076298 · never reused
Internal UUID01a0ae94-6a70-755c-826c-7c649c747996 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076298
StatusPUBLIC

Content hashes

Canonical texta8e4cebd8aa9075abed7ea9b6b4dc19cf8b90825faba7516633145ced58eea8e
Markdown607870a907cf7df0e02a9c98fd64044e30cd52fa012fefc5862a0f299185bddc
PDF
Publication page8b1bdcd7514ba65c9102eb06f6d64e149c268186f44923e1800d557c6a4dd2a8
Manifest655547efea10c1308b581643df546da6c1495fcffc0b912c0f5519de5e6a6557

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
SignatureQEFERtaE8EZpx8abuEZZkBYAWzOXJqyh6BMRr/NHM3DY9fntQcJOTNEeOYhffxEA95bIYu34zx7MJL8iUdxVAg==
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

2026-09-17T10:12:07.754793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076298
observed 8b1bdcd7514ba65c9102eb06f6d64e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:07.580207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076298/manifest.json
observed 655547efea10c1308b581643df546da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:07.063694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076298/publication.md
observed 607870a907cf7df0e02a9c98fd64044e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:07.023147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076298/publication.txt
observed a8e4cebd8aa9075abed7ea9b6b4dc19c...
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.