OpenTechnical

OT-2026-000073650

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000073650) never changes.

Identity and time

Publication numberOT-2026-000073650 · never reused
Internal UUID01a0ae93-2b8c-7110-8c61-67be0f29816f · 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-2026-000073650
StatusPUBLIC

Content hashes

Canonical text1da7af84a947d1ec71b4f06b2cb867b8be36139af9a98f74a5e6209b48a03011
Markdown6da648096737c204794403d83523633c780193d253da5f475eadddd5e4cb7824
PDF
Publication page276d056b5d2283848e8842c04ad5163496f90952bf42b4f8c366bfa44ee5d989
Manifestd5dd08b21047be6ba23a44382cd8a0647f8299bae79d811138695a054dbb9ebe

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
SignatureskrTyDxNvs5LbI74U2s2BT9rbb/1wIOb7VbCrv6I2r16T3FRRErpWNrgUzyNhBcw926qgRxP9pDl0qjsZLDjDg==
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

2026-09-17T10:19:41.974857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073650
observed 276d056b5d2283848e8842c04ad51634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.956375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073650/manifest.json
observed d5dd08b21047be6ba23a44382cd8a064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.936937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073650/publication.md
observed 6da648096737c204794403d83523633c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.917662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073650/publication.txt
observed 1da7af84a947d1ec71b4f06b2cb867b8...
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.