OpenTechnical

OT-2026-000070241

Publication integrity record

Three cup vacuum gripper, three 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-2026-000070241) never changes.

Identity and time

Publication numberOT-2026-000070241 · never reused
Internal UUID01a0ae91-545e-7f30-83db-e7957d1fce4f · 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-2026-000070241
StatusPUBLIC

Content hashes

Canonical textd8c7285017cf87fffb1ddcd8cc89b2dc64008a0ae6ba079cba68e33280378e7f
Markdown77cae7fd09adc616702f9e30fafd6bb01087eaf034a94c1b71a708dae0572780
PDF
Publication page23a62d862e6fd19d080207068d040390973a77bee059578dc666b21db7e44cc1
Manifest2596c38a1018ef46f2eb47b3d43df2a5acfc9e49f3a8a0718fc1c102b44ffe70

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
Signaturee4B4a0yNGsawgaQi2CmOj0Zruz5BYRcOGfmtRkedKeoF6veIdeN96N3oqhY0eBfUwh7IdkIDExb/dwV5OepfDQ==
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

2026-09-17T10:26:00.992646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070241
observed 23a62d862e6fd19d080207068d040390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.974730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070241/manifest.json
observed 2596c38a1018ef46f2eb47b3d43df2a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.957138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070241/publication.md
observed 77cae7fd09adc616702f9e30fafd6bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.940125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070241/publication.txt
observed d8c7285017cf87fffb1ddcd8cc89b2dc...
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.