OpenTechnical

OT-2026-000063967

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000063967) never changes.

Identity and time

Publication numberOT-2026-000063967 · never reused
Internal UUID01a0ae8d-53bc-7eea-81e5-a1b31c2b1492 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063967
StatusPUBLIC

Content hashes

Canonical text3f554d9483af15b1b18cd37ec5ebdf73b28696cb72c687ec8005eec5d5285a6e
Markdown6a6e24e6e507a6b34e17776edf9cb74fcc139d8c29153d72c2bbc1acdb922908
PDF
Publication page63a759e015987fdf6b665307600bac290a0b7378f04213ebbc1b7ed7c1952430
Manifestc348fb1f4ec8511f02d7ada23af5e0907e117503be7a0e5f284ec4d5a10b39a7

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
SignatureXK9cgbTsF0EOLSVFFiz4779G848SnCI/vuCw13BZY7Tz33tQ7usKOOmtV3xMvGsxY96bjRaSeiiNFbLM26zSBQ==
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

2026-09-17T10:37:01.937971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063967
observed 63a759e015987fdf6b665307600bac29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.920765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063967/manifest.json
observed c348fb1f4ec8511f02d7ada23af5e090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.902092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063967/publication.md
observed 6a6e24e6e507a6b34e17776edf9cb74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.885607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063967/publication.txt
observed 3f554d9483af15b1b18cd37ec5ebdf73...
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.