OpenTechnical

OT-2026-000075716

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075716) never changes.

Identity and time

Publication numberOT-2026-000075716 · never reused
Internal UUID01a0ae94-29fd-7983-947f-e6ff8acaa79c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075716
StatusPUBLIC

Content hashes

Canonical text31691a3c0090cb7e174b22a197bc1f26b0ad28cd7adce5f262bfb1cc2b88d1a7
Markdown613711bac0231dc43a40a68d3c7b03bb890b40b0169210b256f02e5f57f90840
PDF
Publication page2e582bd65e4e1a6416542392ed603d666a1e2b6246e41c146769e51ccad4266d
Manifest4a2d1757b355b44876371f0531850468a7e6fa10fad30c239840a76218b97d5c

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
Signaturesk0h7Je7M03LvTeQ6R0rQKm5YIHpIywIQGXZQwXfC3KWr2Uc01FQJkMQ197WtvUA5BafJg8HSx2rkweJlqFlDA==
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

2026-09-17T10:13:57.247212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075716
observed 2e582bd65e4e1a6416542392ed603d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:57.226145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075716/manifest.json
observed 4a2d1757b355b44876371f0531850468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:57.205080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075716/publication.md
observed 613711bac0231dc43a40a68d3c7b03bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:57.066175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075716/publication.txt
observed 31691a3c0090cb7e174b22a197bc1f26...
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.