OpenTechnical

OT-2026-000079661

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, sustained 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-2026-000079661) never changes.

Identity and time

Publication numberOT-2026-000079661 · never reused
Internal UUID01a0ae96-0b93-73e5-867e-89cf67361268 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079661
StatusPUBLIC

Content hashes

Canonical text92f57f16417e1821a9b453caf46e0f33bea957b9db668945121c2faf0045e7ee
Markdown7734c6f263dabaa08f51aede49dfe49bbd51f322a22945a6d1e7e019c698d31a
PDF
Publication pageb34accc3114c9d1af325ecca56a35b4ef797b2208ba0a5a959e4d10311a84215
Manifest905c67617dfaf6422ff6d0501e070a525937f4de94714eeb0150f3275f0ffc33

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
SignatureGzGMPDxclgMZbe1p+g5iZkRWb1Vb+WVTsIIdRavEoBhCOkOW1lp639EInDcqOrwebWkR1M4S9BY0dtYXkzHFCQ==
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

2026-09-17T10:05:19.624448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079661
observed b34accc3114c9d1af325ecca56a35b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.605329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079661/manifest.json
observed 905c67617dfaf6422ff6d0501e070a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.586691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079661/publication.md
observed 7734c6f263dabaa08f51aede49dfe49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:19.566449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079661/publication.txt
observed 92f57f16417e1821a9b453caf46e0f33...
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.