OpenTechnical

OT-2026-000064855

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000064855) never changes.

Identity and time

Publication numberOT-2026-000064855 · never reused
Internal UUID01a0ae8d-debc-78d5-831c-6dd91ef6e6c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064855
StatusPUBLIC

Content hashes

Canonical text997458a0a6b2abbaaa8de34b02124f437e5743da9359e14ccea93fec4d004bd7
Markdown8a2017189a25a7e7111f7f4fe0a240e74db1b54f6d381e5fbeefd956bcf516d5
PDF
Publication page67150540d6cd95eb58dfbd6d463de6dad43a4fe2361417f15417596470dc42ce
Manifest1aaef2a60bc39e60b679b5d4f18be96752465cdb89f4e9de33b94c6cbdfaee54

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
SignatureLSyh0Tzo6VVY2+peAxpisNHIB5YzUdm550PYPsf2FDDu4SZts0U4rtGUaU632JgkzHQetCNmtVok+FoH0f6bDg==
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

2026-09-17T10:35:46.273449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064855
observed 67150540d6cd95eb58dfbd6d463de6da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.254100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064855/manifest.json
observed 1aaef2a60bc39e60b679b5d4f18be967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.237911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064855/publication.md
observed 8a2017189a25a7e7111f7f4fe0a240e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.219941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064855/publication.txt
observed 997458a0a6b2abbaaa8de34b02124f43...
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.