OpenTechnical

OT-2026-000072701

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single 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-2026-000072701) never changes.

Identity and time

Publication numberOT-2026-000072701 · never reused
Internal UUID01a0ae92-89d9-786c-9c99-78e0b74b7e50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072701
StatusPUBLIC

Content hashes

Canonical text21a089772469223afc19b2542f54725191d135b4848be031205d5c3d66a09aa9
Markdown063dc91665bd72186a48c4866ee1a8794516763fb3b4e05f725fd68bb1a5fe6e
PDF
Publication page7ee3a45eaf764f6db54236302167ffad1c283c21fc5f06a29800f2444e160a01
Manifestd3dd25a451ae260d49d3ee2d9bd3160cbdafa0b7af50fe8518853f869b6ef262

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
SignatureSMOFJwD34usbVQx3M2WOouYCki5GNiFytxcGuU5/XUtSDp6kdREnduIZHu2z677tOA/8GksZF90Sd4sMASInBw==
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

2026-09-17T10:22:35.680491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072701
observed 7ee3a45eaf764f6db54236302167ffad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.663546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072701/manifest.json
observed d3dd25a451ae260d49d3ee2d9bd3160c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.645029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072701/publication.md
observed 063dc91665bd72186a48c4866ee1a879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.627117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072701/publication.txt
observed 21a089772469223afc19b2542f547251...
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.