OpenTechnical

OT-2026-000072179

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000072179) never changes.

Identity and time

Publication numberOT-2026-000072179 · never reused
Internal UUID01a0ae92-47c2-78fc-8645-f9a874e369c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072179
StatusPUBLIC

Content hashes

Canonical textf96e74d5fb362651504aff8bc84a9799b1033a541d9f98e071d449b9989f9706
Markdown4729e6f55f2f29fb213865e39f838b1e05508ca6c0c2d7f6f5f49a3a553e77ad
PDF
Publication pagee05b387370fe10260a5c8d116c2d1dfcb37b686eb34cb7b4e2a881eb1899a78e
Manifest89cb16b55d9501d1fb619705da14b964ccea4e72c84f435f47bdc4b010fc7b18

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
SignatureIqI6ZrQOuTf1l6CRRtQ94FVEF405LemtxTrdUn8cXpoqOCv7pdwL1/9yZbO8ZL559jcevLwQuxa8uFkhdxH7Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:16.632660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072179
observed e05b387370fe10260a5c8d116c2d1dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.615726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072179/manifest.json
observed 89cb16b55d9501d1fb619705da14b964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.597658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072179/publication.md
observed 4729e6f55f2f29fb213865e39f838b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.580624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072179/publication.txt
observed f96e74d5fb362651504aff8bc84a9799...
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.