OpenTechnical

OT-2026-000023523

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000023523) never changes.

Identity and time

Publication numberOT-2026-000023523 · never reused
Internal UUID01a0ae70-7269-76fb-afb9-8c36717a9588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023523
StatusPUBLIC

Content hashes

Canonical text8ae008ac0371e8c9971516dcd5b680b3475759d75c8efb947eee8d46e67f8b95
Markdownc7742c30991dd46c50304f468f20f08beb2e4ce6929a3241841e580ce8d86464
PDF
Publication page6547641da4866d53d770799a0f7e47a972d14f47c1652b2b66732dee4a2f96d8
Manifest4ec7e7672f112abcd4e6af6972d8040dd208e716d92e382a8d498413d6049aa5

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
SignaturenXL5+CRLoVzlRLsLi6uSB1PNHGaEbJUkF6vRdwBlv7MmEfSMo1eVOeNrGp4V+9ZxJb8AblgOk66WVeoPNlFJAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:45.923135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023523
observed 6547641da4866d53d770799a0f7e47a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.904204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023523/manifest.json
observed 4ec7e7672f112abcd4e6af6972d8040d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.875762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023523/publication.md
observed c7742c30991dd46c50304f468f20f08b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.846336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023523/publication.txt
observed 8ae008ac0371e8c9971516dcd5b680b3...
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.