OpenTechnical

OT-2026-000073681

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000073681) never changes.

Identity and time

Publication numberOT-2026-000073681 · never reused
Internal UUID01a0ae93-2b8c-7882-a772-21d9a55e8508 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073681
StatusPUBLIC

Content hashes

Canonical text87e497e3f841e0b918da7f44c53b44e827a4d6b4fb9a5c6303a612c261e55903
Markdown5470967c5d7451b9f15b83bfa5fec3f7b4b018d4e000077c0521240a29a44746
PDF
Publication pagea6a8201dcc660a278dd5ad483ab371c5e19d90d0a86f84916afba91586197db2
Manifestebfe4e104c879536d77eb4ac6017375d0667111aaa547d105caf58ba62de77bf

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
Signature0dn5ZSJMykfJVVe7LHmXqkVPmMJmEG2CFiQFTMzmN/GWZOlAenJ2VA5jA4UMmSdYv1gwjU3HtUAVF9jcaTnUCw==
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

2026-09-17T10:19:44.445145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073681
observed a6a8201dcc660a278dd5ad483ab371c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.426366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073681/manifest.json
observed ebfe4e104c879536d77eb4ac6017375d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.408048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073681/publication.md
observed 5470967c5d7451b9f15b83bfa5fec3f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.388651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073681/publication.txt
observed 87e497e3f841e0b918da7f44c53b44e8...
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.