OpenTechnical

OT-2026-000025371

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000025371) never changes.

Identity and time

Publication numberOT-2026-000025371 · never reused
Internal UUID01a0ae71-5fa7-7efb-ae3b-756048087518 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025371
StatusPUBLIC

Content hashes

Canonical text71b1bb72cce5f049c1d4e9f09269b933e518347312dbd43a6d7ede8ab48aef83
Markdown45855a229d0a0a55f2c2b8baf86d314707895fc5823248d21648d21b243ff2ca
PDF
Publication page80a5361581f7e9dbfbb9f1cba355f6b2160a58b0eb02da4af0390db802864272
Manifestfbec2c16eb742e2184ce738b067fd5e200d22ec2067645b90fbed4283b49d630

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
Signature1+cQsJsPic7wULJ/yP/ZFUXsL3xHwSBr1zJULsy21X5bQk2jnZpTT+pjnJet8TymJo8BKE/kIMPcl16LfmnXBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:25.980729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025371
observed 80a5361581f7e9dbfbb9f1cba355f6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:25.959852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025371/manifest.json
observed fbec2c16eb742e2184ce738b067fd5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:25.941727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025371/publication.md
observed 45855a229d0a0a55f2c2b8baf86d3147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:25.922889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025371/publication.txt
observed 71b1bb72cce5f049c1d4e9f09269b933...
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.