OpenTechnical

OT-2026-000073355

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000073355) never changes.

Identity and time

Publication numberOT-2026-000073355 · never reused
Internal UUID01a0ae92-efb8-751e-a257-9fca46667da7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073355
StatusPUBLIC

Content hashes

Canonical texte32a2a2fc920df6d90ac63f6196095f3ee9d32b9e6bb9e238c5816ee83cf9f5c
Markdown18bfda02c49c70f3988173ab52f1a46e29941862278300f132901d2039ea7f30
PDF
Publication pagef7c584654fe7a619b564ac192b4ff2b5e4c6c8e4b70a539ac59e667e04fa40c8
Manifestb8ee49344bf6c96deeef588fc2a869d81e42c6666fe58f3835f010e9a5f61bd9

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
SignatureWi4j5BCU8BmzeV1SwbJeYSrRjeAPPGOeFkAGM2EvO0AuEpDxz7rixo6iIyYJX+in5nZX1SN+q7ZG57IMDss8DA==
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

2026-09-17T10:21:23.001208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073355
observed f7c584654fe7a619b564ac192b4ff2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.981487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073355/manifest.json
observed b8ee49344bf6c96deeef588fc2a869d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.962960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073355/publication.md
observed 18bfda02c49c70f3988173ab52f1a46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.943423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073355/publication.txt
observed e32a2a2fc920df6d90ac63f6196095f3...
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.