OpenTechnical

OT-2026-000081204

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000081204) never changes.

Identity and time

Publication numberOT-2026-000081204 · never reused
Internal UUID01a0ae96-f373-72d8-a772-8261abe2fadd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081204
StatusPUBLIC

Content hashes

Canonical text5a1609092c16c4970982d538ff3522e9d276aa33308aff2c9a1e86a6fc4b0341
Markdown9eb538d4a7b6b36f840ef4255e10df77c31420da4c0d5b63031bf4342e7eeb6a
PDF
Publication page5931f90b3030bd04caf873f010b5714230a6bc9d6e204a86d19b8d98a02a8666
Manifestdd69e47cd8818e8c8fbb5fd97fdefa5394f413a4668bdec80fcf38521bf15b14

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
Signatureezqi/w5XAhg3xDLhwdKQ8XF1KqYad2LRLePSYA/U+C0edCWT7mV4CaGPzk2nkPakqKGyxJBcsplOGzc54LIHAw==
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

2026-09-17T10:01:16.705479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081204
observed 5931f90b3030bd04caf873f010b57142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.688566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081204/manifest.json
observed dd69e47cd8818e8c8fbb5fd97fdefa53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.670785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081204/publication.md
observed 9eb538d4a7b6b36f840ef4255e10df77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.652988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081204/publication.txt
observed 5a1609092c16c4970982d538ff3522e9...
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.