OpenTechnical

OT-2026-000101642

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pulsed blow-off after 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-2026-000101642) never changes.

Identity and time

Publication numberOT-2026-000101642 · never reused
Internal UUID01a0aea4-0e16-7b8a-8ed3-63d84e038a76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101642
StatusPUBLIC

Content hashes

Canonical textd981c2199badf261f771e958632c2966339a0c366c5d5e2cf005f21f17236dcc
Markdown64cde88a172c954b68bb87efa867bf7394888e06bd00c38f21d78bc01b5c42f8
PDF
Publication page769c73754f5b9e5eefe569c24982b263db7ef9343e834a8db4f049fbc6e501c9
Manifest68a869c272700c0fd3372d95479fd2a742e5add4fe8ee268398063e0c395d6d7

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
SignatureYRTY8LKMTDyi0xXFpW8vi6BWXBxKIKrfsz3y5qiEIx9bMCpDSOsrj7zz7Z33qEuPzNg1xySe72T1P4Jt+kl8CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:46.438445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101642
observed 769c73754f5b9e5eefe569c24982b263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.416426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101642/manifest.json
observed 68a869c272700c0fd3372d95479fd2a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.396542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101642/publication.md
observed 64cde88a172c954b68bb87efa867bf73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.376299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101642/publication.txt
observed d981c2199badf261f771e958632c2966...
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.