OpenTechnical

OT-2026-000065775

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-2026-000065775) never changes.

Identity and time

Publication numberOT-2026-000065775 · never reused
Internal UUID01a0ae8e-46fb-7076-b4d3-f0a8f5babc44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065775
StatusPUBLIC

Content hashes

Canonical text81cf7c4413a53cbd0a3cfe9c182ccb4f8d722f7f3d47caf043881a71a42d3965
Markdown958e7ab55b8ba413e4dc4345f0213028f90306fc9d3a7a691f7be9da851f7b6e
PDF
Publication pagee6d7b8692c5a732a8c37f6cf892f6e99afc9a850505dd460acb3e249b3827121
Manifest229e743be142d6bc3078989ce4fb4eebd444bad7965481ad786483512b820c75

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
SignatureOr9I/WgKZfBfK2uQZjZwHr6TrqS0fLmLd6KQYXhEevYNEE3i6Z3QnPZ71lf22Q3RKlkpb0eEJeVCVzD7hA2FAw==
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

2026-09-17T10:34:12.683870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065775
observed e6d7b8692c5a732a8c37f6cf892f6e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:12.667671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065775/manifest.json
observed 229e743be142d6bc3078989ce4fb4eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:12.651303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065775/publication.md
observed 958e7ab55b8ba413e4dc4345f0213028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:12.634452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065775/publication.txt
observed 81cf7c4413a53cbd0a3cfe9c182ccb4f...
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.