OpenTechnical

OT-2026-000092731

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000092731) never changes.

Identity and time

Publication numberOT-2026-000092731 · never reused
Internal UUID01a0ae9d-b600-7b8f-9a60-33556b6fdefb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092731
StatusPUBLIC

Content hashes

Canonical text55e6483f8b63bfe1e71a4a1c26719bfdfe0562ff7bad10998a354711cbae765a
Markdownb3136cfcac19ba985f21beb803226b50310ba7560a41580066656d532f702d1a
PDF
Publication pagefa5d0e1574abf57b5aa38387a2881b4b261582229efedd6fd4a3d29c33452819
Manifest05eb8c1260165a239ed5783fb71772d368bd31dcc3b26e9df44451d67b7947de

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
SignaturedMpXC/oEXTbv/CTrAOWlNDkTlmgABYkJEWb+MS+i71v2FCqQUM3C6zQDUU/ukmYOUnU42x9pO8Gm5vIrRGcMCw==
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

2026-09-17T09:41:21.326241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092731
observed fa5d0e1574abf57b5aa38387a2881b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.309450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092731/manifest.json
observed 05eb8c1260165a239ed5783fb71772d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.292817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092731/publication.md
observed b3136cfcac19ba985f21beb803226b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:21.275407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092731/publication.txt
observed 55e6483f8b63bfe1e71a4a1c26719bfd...
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.