OpenTechnical

OT-2026-000013605

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000013605) never changes.

Identity and time

Publication numberOT-2026-000013605 · never reused
Internal UUID01a0ae6d-8de8-732c-9d09-5fbea00f5cd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013605
StatusPUBLIC

Content hashes

Canonical text0397f0072273f991313a1fa4a53103b627c3da2eaf0812eba46409aeff7e123b
Markdown9caef7ecac672b41c8b6a50eda7b04854a36e4718074d05b5d134a31e71b19bd
PDF
Publication pagefab6ed7f53add5a8a97befd3726353b82ae15c9c00d03a699e25f8264eb6f1e3
Manifest87a4a6dfb8b108ac02ecbc1209676274da8846c4a20466fc5ad530532b242778

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
SignaturehGZGIq3065kgBvQstj6yYBoIlYiyydHUwdvMFDHI5bBUwAsKXzEEM68qCfC2u7AZBcPeEMs89AFQT8zA1JISBA==
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

2026-09-17T12:10:30.787729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013605
observed fab6ed7f53add5a8a97befd3726353b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.768771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013605/manifest.json
observed 87a4a6dfb8b108ac02ecbc1209676274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.748282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013605/publication.md
observed 9caef7ecac672b41c8b6a50eda7b0485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.728446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013605/publication.txt
observed 0397f0072273f991313a1fa4a53103b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:31.874839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013605
observed fab6ed7f53add5a8a97befd3726353b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:31.857148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013605/manifest.json
observed 87a4a6dfb8b108ac02ecbc1209676274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:31.841498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013605/publication.md
observed 9caef7ecac672b41c8b6a50eda7b0485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:31.825106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013605/publication.txt
observed 0397f0072273f991313a1fa4a53103b6...
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.