OpenTechnical

OT-2026-000083812

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000083812) never changes.

Identity and time

Publication numberOT-2026-000083812 · never reused
Internal UUID01a0ae98-0418-7dc6-b79a-9811cc8e46c7 · 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-2026-000083812
StatusPUBLIC

Content hashes

Canonical text444b4a225a5761b232be4abfd687fde4c8d81684b518a1efd2349eeac9f1e71c
Markdown5a07b35fc37c9960e7d65f9e1ec82de6a24d9dc6cc658fa06edb0c13950af99f
PDF
Publication page689d41fbc9dc493f086e4b7bc16fc71158745fc8432b9b05c8dea196ca4ecddb
Manifest850dc347836b08cf844c918462c008aa97c9d79459733c8b03e728b47b9ca42a

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
SignatureW1swLJR10J9UTRsXzafPTf2B8zjSYga92yL5fAXQFrXCCdx0mQzD9hJG2EpWIRwy7uaWebluC9zr2MmFRr96AA==
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

2026-09-17T10:00:03.957652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083812
observed 689d41fbc9dc493f086e4b7bc16fc711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:03.937658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083812/manifest.json
observed 850dc347836b08cf844c918462c008aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:03.912518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083812/publication.md
observed 5a07b35fc37c9960e7d65f9e1ec82de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:03.889613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083812/publication.txt
observed 444b4a225a5761b232be4abfd687fde4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.729615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083812
observed 689d41fbc9dc493f086e4b7bc16fc711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.712587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083812/manifest.json
observed 850dc347836b08cf844c918462c008aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.693860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083812/publication.md
observed 5a07b35fc37c9960e7d65f9e1ec82de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.677611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083812/publication.txt
observed 444b4a225a5761b232be4abfd687fde4...
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.