OpenTechnical

OT-2026-000083620

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000083620) never changes.

Identity and time

Publication numberOT-2026-000083620 · never reused
Internal UUID01a0ae98-0416-7325-bbd5-89e327103d1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083620
StatusPUBLIC

Content hashes

Canonical text5a9bbf428281ef87842ba8dd83a5aaecf5824244c509995bd87b16642840fa70
Markdown62cd68148059f3830266333fd979d67011fef371f109828c82daf44d1b85a670
PDF
Publication page55291a6bc9ffa85721e41826b5f80f9217e582a90e74555525c265d0e2d9a895
Manifest8c7a9172bc6a38523a392544ff00078f41a514c16d19bbc889be9aa1a5b6d4b5

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
SignaturetzK8/mYdPhTWZD28DinuxP5nPhqUqeBriTMNBTsVeaiJeMEQbwv8bkviCZtpyvHvdA96hbyHrWB8xbx4UV3DDQ==
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

2026-09-17T09:57:07.131006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083620
observed 55291a6bc9ffa85721e41826b5f80f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:07.113855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083620/manifest.json
observed 8c7a9172bc6a38523a392544ff00078f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:07.097195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083620/publication.md
observed 62cd68148059f3830266333fd979d670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:07.079491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083620/publication.txt
observed 5a9bbf428281ef87842ba8dd83a5aaec...
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.