OpenTechnical

OT-2026-000082794

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line 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-2026-000082794) never changes.

Identity and time

Publication numberOT-2026-000082794 · never reused
Internal UUID01a0ae97-8cc9-7847-8a8e-da9c819cd8b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082794
StatusPUBLIC

Content hashes

Canonical texta80625cb0e2950d138eaa855c872ec9b3040e86e74a4daf0cec44b5190d761db
Markdown26c28238816d4e180168e3a1227ab5df1c55d6c3a7a2549339f89f13888ef0af
PDF
Publication page551e395351f74186167c476d7eb294b72ff119687b79910db234c8cb89011e68
Manifestcc5650959446791e02efe9b28cc146a58de0c0c5df4b6d7f44245868e23217a3

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
SignatureTe7VDzqjqvzn9eNDjM+8B2jsCqiKQUCcO9Pv8xr8UuM4k0lKZ+4iFMvEqNNWv/2DSsy6cw6O4EjxwWLLj+/VBQ==
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

2026-09-17T09:58:23.150894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082794
observed 551e395351f74186167c476d7eb294b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.132371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082794/manifest.json
observed cc5650959446791e02efe9b28cc146a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.114386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082794/publication.md
observed 26c28238816d4e180168e3a1227ab5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.096111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082794/publication.txt
observed a80625cb0e2950d138eaa855c872ec9b...
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.