OpenTechnical

OT-2026-000076625

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000076625) never changes.

Identity and time

Publication numberOT-2026-000076625 · never reused
Internal UUID01a0ae94-b06e-75b2-a4bb-24d8515b598c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076625
StatusPUBLIC

Content hashes

Canonical text7da475991f0eea8ea966f90488b7bd81e15c82803f63cc5d0a1757649fc4621b
Markdownf2910c5df63f02e6eff483940c928741eac89cbd76b60c60fc5cd1e2fff20ff1
PDF
Publication page37b32d8e0f3d4c371418491e91a90e726ab57f01fccdcd81efe463f431f04e3a
Manifest85682aebe96e10fe3c028156a8692f8468d105d330da60358153f3454a684e13

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
Signature5IVOowzjzPu3nq/iK8PpCopf2uJgbN1Iem5Trbp5DKEL1so0puEx2Un6Of0rm/pia4GVZIRoPnXPWtQCQ6lEDA==
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

2026-09-17T10:09:21.415412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076625
observed 37b32d8e0f3d4c371418491e91a90e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.396780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076625/manifest.json
observed 85682aebe96e10fe3c028156a8692f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.379026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076625/publication.md
observed f2910c5df63f02e6eff483940c928741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.361015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076625/publication.txt
observed 7da475991f0eea8ea966f90488b7bd81...
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.