OpenTechnical

OT-2026-000021366

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000021366) never changes.

Identity and time

Publication numberOT-2026-000021366 · never reused
Internal UUID01a0ae6f-865d-74e6-b188-b5cc4a4998ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021366
StatusPUBLIC

Content hashes

Canonical text750bfda5fc6755fdaf5330490aae2e5967f3df9779b595e21bf4e31f7541420e
Markdownaa44ff0c9f56ac12d4ae4502583899bec81855964235c999197468225877a141
PDF
Publication page51a76bf00e1ad4a760829d919a52a33b7f25b031c2b50c1a59e93405053ff3f9
Manifestf728b7874f5a2692345abc345cbcc0a47e4c64acc4475a949863683b8287d2de

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
SignaturemufGu2P7TIdbIljZVVcFs4SlSnECH+QjFABCvZeOzv0irDBMCQ+YoICKmPyRTpLLuOGYFuuUs+jMWcknOR0/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:13.875027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021366
observed 51a76bf00e1ad4a760829d919a52a33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.854782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021366/manifest.json
observed f728b7874f5a2692345abc345cbcc0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.831957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021366/publication.md
observed aa44ff0c9f56ac12d4ae4502583899be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:13.803219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021366/publication.txt
observed 750bfda5fc6755fdaf5330490aae2e59...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent