OpenTechnical

OT-2026-000039287

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000039287) never changes.

Identity and time

Publication numberOT-2026-000039287 · never reused
Internal UUID01a0ae78-9674-7209-88c2-7239eb9b9826 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039287
StatusPUBLIC

Content hashes

Canonical text69d8e68722e7ec495e00508ccb1974be213399787e7ea0bd76794eb574b7d008
Markdown2d8a155933d95be3ea2ddf2b7b9f9413646d793d9d25e1eeb32e05240e665a23
PDF
Publication page77907a6c682a1814ec4ada3cdd1c150fada0959f2c080c33e324c9d1a78444ab
Manifestdabc2dd7fff78a828f82fe10ce4ccdb782c3b6ef2fa876994cecf37ec3e4229a

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
SignaturePLQJ/KjczQAgxdNMCQWSV/TbjMeavTbNfFqlKViS8Z9MhWFIxWW7xz5pAMivbO5YT9QWFsOPUaHkHBfZyhhfDQ==
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

2026-09-17T11:20:51.671381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039287
observed 77907a6c682a1814ec4ada3cdd1c150f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.652487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039287/manifest.json
observed dabc2dd7fff78a828f82fe10ce4ccdb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.633640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039287/publication.md
observed 2d8a155933d95be3ea2ddf2b7b9f9413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.614315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039287/publication.txt
observed 69d8e68722e7ec495e00508ccb1974be...
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.