OpenTechnical

OT-2026-000091310

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091310) never changes.

Identity and time

Publication numberOT-2026-000091310 · never reused
Internal UUID01a0ae9c-f16c-77ac-ad24-d75d5b1f8d77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091310
StatusPUBLIC

Content hashes

Canonical text3082f13a9576945ad9f95fe2c43f49214b4f312e77438849159702faacfc2a58
Markdown3983c99b8fc4e30b05e3213ded66bfd20596b55ee5fe796a3b6dcd6b73f198a7
PDF
Publication pagee5ff6e1c2706ceab2c6eae7f4be5fb0b9351a82d8b85835543b0097df15a275f
Manifestf9b9e4f2cff3c87dff0e33884cf27d965215ebf3fc2bd6cd75d1fb0a953e2fec

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
SignatureWewUXNy6BWGuu425gCX5KNtEg+CNcKhMiqhHh4f59kglzyLCjLomRKi7UyWmoMsYbujlk5RqGzMbhVerBYdiAA==
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

2026-09-17T09:43:30.714648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091310
observed e5ff6e1c2706ceab2c6eae7f4be5fb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.698254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091310/manifest.json
observed f9b9e4f2cff3c87dff0e33884cf27d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.680843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091310/publication.md
observed 3983c99b8fc4e30b05e3213ded66bfd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.662983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091310/publication.txt
observed 3082f13a9576945ad9f95fe2c43f4921...
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.