OpenTechnical

OT-2026-000009722

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000009722) never changes.

Identity and time

Publication numberOT-2026-000009722 · never reused
Internal UUID01a0ae6b-7564-7675-a598-ae35205ed5f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009722
StatusPUBLIC

Content hashes

Canonical textff59a579c4ca0588bba3f81ab9b4c72f6f631a12f089f33d04326d613500d1a1
Markdownfe8421e3937219c27e3f844a0ae33584a2f511aed67e1e530a9a3b440cd4a511
PDF
Publication page8d885aaf20cee0511892f828976680f1e24e3371a01079b47ae2601e9badee31
Manifest853ac816325323bfd8914c2fba3f17a3de9ca8b6d2ab369d2743cc42f47a0257

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
Signaturewf9zfZ1NsJIOW6PVz7U73Yk4Q+fPwYEl6GOrRvQGjtCXekQjHzsCfiO5R085OiGgQtt8jOtH8qpyJ+LePfN2Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:13.127737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009722
observed 8d885aaf20cee0511892f828976680f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.107455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009722/manifest.json
observed 853ac816325323bfd8914c2fba3f17a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.087120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009722/publication.md
observed fe8421e3937219c27e3f844a0ae33584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.068002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009722/publication.txt
observed ff59a579c4ca0588bba3f81ab9b4c72f...
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.