OpenTechnical

OT-2026-000089245

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000089245) never changes.

Identity and time

Publication numberOT-2026-000089245 · never reused
Internal UUID01a0ae9b-db00-7c15-b640-e1cf5fea9fc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089245
StatusPUBLIC

Content hashes

Canonical text5fdf60299cadba1eab464d6b33a7bc095a6bfca0d6cb59168e62f4d82fc30c36
Markdown525a3bc7f3a5798e2fe96c541ce12d02b12262fa9be9ac9bba6e6883d43be947
PDF
Publication page99f3ff4ebc5bb8d26ed4788e78787d10542d4e1b705fc5c9c61692f1cd4f135c
Manifestd8d8cbca0b84b2c2be74570e6ba2f5ec1e9071319a7d20788f29848fb3c53ab0

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
Signatureax+iu6xaqTuoO2hCj732MpphQ2Go8j4UohZK95waPtxR2FrpnFq8w9xpmfuOmR2xVjncIAu14xJ+MHS/XfocCA==
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

2026-09-17T09:47:16.599306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089245
observed 99f3ff4ebc5bb8d26ed4788e78787d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.581698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089245/manifest.json
observed d8d8cbca0b84b2c2be74570e6ba2f5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.564396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089245/publication.md
observed 525a3bc7f3a5798e2fe96c541ce12d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.545679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089245/publication.txt
observed 5fdf60299cadba1eab464d6b33a7bc09...
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.