OpenTechnical

OT-2026-000063649

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000063649) never changes.

Identity and time

Publication numberOT-2026-000063649 · never reused
Internal UUID01a0ae8c-f946-7451-9c79-516f1dd801c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063649
StatusPUBLIC

Content hashes

Canonical textbe702069029bdde8d1deaa39e6faf06a4656422c1517a525b6da3ccaf9c6982a
Markdowna2ed75254b1a4c4faf5771a9934d3acdb5c9591cf1f53f3cac23dd3a0f9bd9b9
PDF
Publication page1d92be3f8f442636428dc3ec4187464a228d0438dfdf383a2ec819ce84be2611
Manifest98bdba16b0b3e5e16b3868327e4e7947be93396d0d284785d5fd02018c5bd44f

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
SignatureBCZWOURQ5RcoiEqEYVJJ3680rLYFHX8OlaPmdNoVgnAOFRwl2KAkt9nHZzlu6yQA4OqinwFSwNv2YL7cBDh9Ag==
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

2026-09-17T10:37:45.284312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063649
observed 1d92be3f8f442636428dc3ec4187464a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.265722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063649/manifest.json
observed 98bdba16b0b3e5e16b3868327e4e7947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.247923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063649/publication.md
observed a2ed75254b1a4c4faf5771a9934d3acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.229024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063649/publication.txt
observed be702069029bdde8d1deaa39e6faf06a...
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.