OpenTechnical

OT-2026-000020649

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000020649) never changes.

Identity and time

Publication numberOT-2026-000020649 · never reused
Internal UUID01a0ae6f-65e2-74d0-a22b-739cff9fb3b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020649
StatusPUBLIC

Content hashes

Canonical text68fff66171d37ed620fb288a05528d5a1ee50fab0b97a214af2858deee3ba41e
Markdownaef2c6da20a396ebca6cc8ae1c4a75b6f5a0dd722f7ebb494d5aef6a948a5207
PDF
Publication pagedace24f834f8ad385ea36133875f167b12d8079ce9241b2ffeed0501013ce11f
Manifestb7f751422e36c3f2c040034f32cde2f3de4600c2d7ff9cf599f467f82cf853db

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
SignatureMi7cbVaL/jo2gCfC61gPH2FC9glSzBY1JZJW9n4ITprpX6mmqEJKC8v99K9BvYK+VH19jg6ZjGFOrbGzs8Z8Cg==
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

2026-09-17T11:55:36.095218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020649
observed dace24f834f8ad385ea36133875f167b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.077988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020649/manifest.json
observed b7f751422e36c3f2c040034f32cde2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.060419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020649/publication.md
observed aef2c6da20a396ebca6cc8ae1c4a75b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:36.042832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020649/publication.txt
observed 68fff66171d37ed620fb288a05528d5a...
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.