OpenTechnical

OT-2026-000083638

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000083638) never changes.

Identity and time

Publication numberOT-2026-000083638 · never reused
Internal UUID01a0ae98-0416-7e61-8c95-2878fa9fcf93 · 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-2026-000083638
StatusPUBLIC

Content hashes

Canonical text7f1c352b45f217f305fc138c21c12f77fe5eb19a098b1bc4097609a8bfa0b8dd
Markdown7d3a99905090a6c3e88a2f71bc67bdedcd1c5d9419879ad5f33a903db73f1d16
PDF
Publication page8fe5e0ae4a7575953b33422c0cbf771031b18705d33abedf047f1259e5a6d887
Manifest0c912327f6bb372a4b9450e6d8dde9bd69e0efd37a73b89d52ef56822455e566

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
SignatureLt3RD0MC3ZTJlg0ilauM0iPpIoNJiNXMbLpZzsYt5E0zWHWHzacfUoKFjIHII7nxOt8MJ0Uo6g9wMYWIMWtfAg==
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

2026-09-17T09:57:15.153097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083638
observed 8fe5e0ae4a7575953b33422c0cbf7710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.137134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083638/manifest.json
observed 0c912327f6bb372a4b9450e6d8dde9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.120874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083638/publication.md
observed 7d3a99905090a6c3e88a2f71bc67bded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.105142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083638/publication.txt
observed 7f1c352b45f217f305fc138c21c12f77...
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.