OpenTechnical

OT-2026-000089327

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089327) never changes.

Identity and time

Publication numberOT-2026-000089327 · never reused
Internal UUID01a0ae9b-db01-7d0e-9dd4-4cb2fd044f9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089327
StatusPUBLIC

Content hashes

Canonical text05a8d75d996fada134bf28efcd914b76759f57aaf661e6a0c83f0a3da51507f5
Markdown702349200453b015fd5cdb8be67d2716e556a49dcb68c0cee29311453288f344
PDF
Publication page6de8a618142b6d608609044635147052955a485cb541eb5a1a8cdc14596ce375
Manifest66e2da9cf40e4f12015391dbd2fe10c75f9147516d02f68b799cd62cd978da71

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
Signature3ohNt/1by6ihNYFH7HG9swa+61AC1kUYmFmN32JJlaFrp0VIeQXFvqQBW/KeknZ+WdajlzVFIDDTHXWU4zXQCA==
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

2026-09-17T09:47:22.718794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089327
observed 6de8a618142b6d608609044635147052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.701318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089327/manifest.json
observed 66e2da9cf40e4f12015391dbd2fe10c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.684500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089327/publication.md
observed 702349200453b015fd5cdb8be67d2716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.667592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089327/publication.txt
observed 05a8d75d996fada134bf28efcd914b76...
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.