OpenTechnical

OT-2026-000021450

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000021450) never changes.

Identity and time

Publication numberOT-2026-000021450 · never reused
Internal UUID01a0ae6f-865d-7423-b4fc-44b67212aec4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021450
StatusPUBLIC

Content hashes

Canonical text8c3a40c1aad81974b1820655c75f9377a465b58400610562fc8179ef5e8cb35d
Markdownd88f2b43e28204640e76f39c49a57fe6057e3e810cc721549332a4698ff3eacc
PDF
Publication page384b3ef7bf86ec732b0c0dd5f3cc912dce10a40443b0e1052f17678d40463a18
Manifest26808b043b27b89e65714690e95152b9ec97231715171a7bf8561bde23e0d677

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
SignaturexdAA4gX5QUWiPomqmUTkE3ma3kpkHS+Hbhn0+rd8dNf1YIh/55We9ktH+LbI0G7hMdEaqw8hnGzxdADypECzAg==
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

2026-09-17T11:55:21.817869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021450
observed 384b3ef7bf86ec732b0c0dd5f3cc912d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:21.800083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021450/manifest.json
observed 26808b043b27b89e65714690e95152b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:21.782343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021450/publication.md
observed d88f2b43e28204640e76f39c49a57fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:21.764191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021450/publication.txt
observed 8c3a40c1aad81974b1820655c75f9377...
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.