OpenTechnical

OT-2026-000072388

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000072388) never changes.

Identity and time

Publication numberOT-2026-000072388 · never reused
Internal UUID01a0ae92-47c3-7fae-8953-fff32d423b60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072388
StatusPUBLIC

Content hashes

Canonical text0e330870534d51d487285974c93e3240fd6eb959df68efdd6164ed693d55d2e2
Markdown0f4e891d4cd66e05099a3b47f891abd15567ce9572fd5c90f99aec85d605aa5e
PDF
Publication page55c4f3cd7ee596742380ab6bda56c1a9fe886968a728c5dfaf5765b07479585a
Manifestacdef5efb829a4a8b0c8d94b8eac79231b4798834ae260cb0b7eaacd4d1c904e

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
SignaturejZU71YmJxg/rk/C4x1Oh29vKoysWZUTCyv6MOsEMAF+KooZEFwDgDE4SnvMVltmZcKgnaOgM+STEuVMFCjJBDg==
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

2026-09-17T10:23:37.608717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072388
observed 55c4f3cd7ee596742380ab6bda56c1a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.591670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072388/manifest.json
observed acdef5efb829a4a8b0c8d94b8eac7923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.574786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072388/publication.md
observed 0f4e891d4cd66e05099a3b47f891abd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.557909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072388/publication.txt
observed 0e330870534d51d487285974c93e3240...
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.