OpenTechnical

OT-2026-000070447

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000070447) never changes.

Identity and time

Publication numberOT-2026-000070447 · never reused
Internal UUID01a0ae91-545f-7299-8298-6f1b69ff74f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070447
StatusPUBLIC

Content hashes

Canonical textfff4d366c78317cfb0076769b71546f558d74608b21232591495bf61c97c5184
Markdownb0c5836f35beab0d8af4bf8478794046d636991190a5bfc8202b6fc116488213
PDF
Publication page19bd7968b2784f4ce72f1d0ff0d1e1297e0c22be9d525e5156bf0dcc1ad10602
Manifest14f02fe1601c354c99d8b81df00e1c17bcfa00faa7521c19353eee96dd255c31

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
Signature2H9+sBVW72XP2WP25SikcAQd8niuXticSV60eITEjNV5DAOH7/srv9c5WicpvbmE5i+/Kg9OEeEs7tV3SZlLDA==
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

2026-09-17T10:26:16.187612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070447
observed 19bd7968b2784f4ce72f1d0ff0d1e129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.171682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070447/manifest.json
observed 14f02fe1601c354c99d8b81df00e1c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.154608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070447/publication.md
observed b0c5836f35beab0d8af4bf8478794046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.137031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070447/publication.txt
observed fff4d366c78317cfb0076769b71546f5...
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.