OpenTechnical

OT-2026-000029505

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000029505) never changes.

Identity and time

Publication numberOT-2026-000029505 · never reused
Internal UUID01a0ae73-5e21-75b8-9dee-7661e05ccecb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029505
StatusPUBLIC

Content hashes

Canonical text80a6449f26f2944573bca5ec270b08a54ada07580cd3fb56e0fe793a97f40887
Markdowne8f647ff3eb2dfa689727eb7a551de1577a337232641bd976511731ce428440a
PDF
Publication pagec78bb1370c5d5c2f28037d6bcca44846908f7cc081ce7c9297e3fe82f3f3bb33
Manifestff19e3300b9cbee67b985776e21fd5c5833bca5d615730f98f7379273cb04ceb

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
SignatureaHesc8/HQSAIMCAn60RbsCt/lLvsUqdCrE083IGrcwRjNe7rfO8pEBHkJd0e0pHwbWtb+hlQXQeb0EBnBemfAA==
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

2026-09-17T11:39:08.385349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029505
observed c78bb1370c5d5c2f28037d6bcca44846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:08.368587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029505/manifest.json
observed ff19e3300b9cbee67b985776e21fd5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:08.351186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029505/publication.md
observed e8f647ff3eb2dfa689727eb7a551de15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:08.333258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029505/publication.txt
observed 80a6449f26f2944573bca5ec270b08a5...
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.