OpenTechnical

OT-2026-000027373

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027373) never changes.

Identity and time

Publication numberOT-2026-000027373 · never reused
Internal UUID01a0ae72-6997-7001-b303-b429f79a8ead · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027373
StatusPUBLIC

Content hashes

Canonical texta7dd26034f3452245d567af35306b3be36d9000f74d6d1b72e969a1829f2ebb4
Markdown728658db4b28b607398daf4826059c859c4a2575c0d40873243cde1a2bf41fee
PDF
Publication pageae7012d04db0f23faf3605ec2a8de618bdb317a99d9d19e347da090705abaafa
Manifestf39ddf41895911121ae3d88c69c88449aea67515709f7b8d04e3371c9ced161c

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
SignatureE28ejRsG/uVDvbVkvpkECJG/T72PgzFjygtpiGm76cxfqwKeO7LqGr8C9/5iDKEJrPTF/eJYdIVZYdZijuIRBA==
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

2026-09-17T11:42:47.337904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027373
observed ae7012d04db0f23faf3605ec2a8de618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.318893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027373/manifest.json
observed f39ddf41895911121ae3d88c69c88449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.296013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027373/publication.md
observed 728658db4b28b607398daf4826059c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.277746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027373/publication.txt
observed a7dd26034f3452245d567af35306b3be...
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.