OpenTechnical

OT-2026-000070285

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000070285) never changes.

Identity and time

Publication numberOT-2026-000070285 · never reused
Internal UUID01a0ae91-545e-7544-b1ff-2d0dff1cb3c1 · 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-2026-000070285
StatusPUBLIC

Content hashes

Canonical text44ac86cb1b3a1b04dc2214251cab6b3857ef19ee6ae23e1b201ffd6a4bfb0ff9
Markdowncd423142ece92e2ce034d2cfc9bb13a690c4a71ad5bb7139b963997dc31cca8c
PDF
Publication page2ee5138bd31dcb5d1f74d10a2e4896a6bb0e1a62a5c62b86c23b41979406b7f2
Manifest0632f79bd3d00a3af28175926598aba010419959c6987e4b8ddf9b3a0bf84148

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
Signatureqvmq/YbRj1DcoEf4yiYLKcIFxWBtmJ/tJH1Ku+6NRgd60Kd1ymJLpnVGju+5Y883hfHRHh35id+7rRgk9sx4DA==
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

2026-09-17T10:26:04.192927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070285
observed 2ee5138bd31dcb5d1f74d10a2e4896a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.177048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070285/manifest.json
observed 0632f79bd3d00a3af28175926598aba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.160855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070285/publication.md
observed cd423142ece92e2ce034d2cfc9bb13a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.143080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070285/publication.txt
observed 44ac86cb1b3a1b04dc2214251cab6b38...
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.