OpenTechnical

OT-2026-000075287

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000075287) never changes.

Identity and time

Publication numberOT-2026-000075287 · never reused
Internal UUID01a0ae93-f200-75bd-bfea-454f0663f89a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075287
StatusPUBLIC

Content hashes

Canonical text5b9a339071055a5e6638dca2c3034610175329d0dbf4a3a145e37573e5e4947a
Markdown1c918179296997df709a65d3871cb81d3f8e29d167d71aa5c667ec0f4a1a0ab8
PDF
Publication page983b924db212432166477b90512b54a5ac3c2e61689a9dafa04cff00f00ffb2f
Manifest89a63be62fc89fa949dd1b12d523670b23e616fc41028d5b64a5f5d163e7264f

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
Signature5B8NbG90OEmr/69s9m1iPg84eAEfLsUj42lzam4/1luAlqxy7Sb3SDZHpYplLvnqt0l/W4Z7HRWo5ptjVM/BBg==
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

2026-09-17T10:20:41.708044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075287
observed 983b924db212432166477b90512b54a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.687934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075287/manifest.json
observed 89a63be62fc89fa949dd1b12d523670b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.668225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075287/publication.md
observed 1c918179296997df709a65d3871cb81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:41.646651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075287/publication.txt
observed 5b9a339071055a5e6638dca2c3034610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:02.243425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075287
observed 983b924db212432166477b90512b54a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:02.222158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075287/manifest.json
observed 89a63be62fc89fa949dd1b12d523670b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:02.201835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075287/publication.md
observed 1c918179296997df709a65d3871cb81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:02.056725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075287/publication.txt
observed 5b9a339071055a5e6638dca2c3034610...
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.