OpenTechnical

OT-2026-000069352

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000069352) never changes.

Identity and time

Publication numberOT-2026-000069352 · never reused
Internal UUID01a0ae90-b529-7850-b8e1-06b4f4a39aaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069352
StatusPUBLIC

Content hashes

Canonical text7cc56fa5d624afb7e3bb9fcb13a99ec5d9f4c673d48601ed58422ce75898a3b0
Markdowncb2b558b604e0bf2fd652b61e736298598af5517e493f26e23eb8e3ec08e6aab
PDF
Publication page9d5b10e6a98a7a8206f8113e2904e3b0510fe0381efe185487eb646e88d0bec8
Manifest4f4e2432671376677a45426be14c97eeca547232d49a40e8d90550105d05e972

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
SignaturepYRfczPjm6A3R02KXs6Iy6Si9HyI2ipDe83ClBVn8FrsKKcs1Q6x05pPmjS4BZZGEnkSmZu0up/kGo6WE4uHBA==
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

2026-09-17T10:30:15.636514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069352
observed 9d5b10e6a98a7a8206f8113e2904e3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.616825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069352/manifest.json
observed 4f4e2432671376677a45426be14c97ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.597729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069352/publication.md
observed cb2b558b604e0bf2fd652b61e7362985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.577714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069352/publication.txt
observed 7cc56fa5d624afb7e3bb9fcb13a99ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.559341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069352
observed 9d5b10e6a98a7a8206f8113e2904e3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.540857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069352/manifest.json
observed 4f4e2432671376677a45426be14c97ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.521163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069352/publication.md
observed cb2b558b604e0bf2fd652b61e7362985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.503647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069352/publication.txt
observed 7cc56fa5d624afb7e3bb9fcb13a99ec5...
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.