OpenTechnical

OT-2026-000097735

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000097735) never changes.

Identity and time

Publication numberOT-2026-000097735 · never reused
Internal UUID01a0aea1-92f5-7886-99a5-1331ce31b240 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097735
StatusPUBLIC

Content hashes

Canonical text783e4471bef325b25db8ce6b6c863c9f88422b8547d73b440c9d930e0b995c31
Markdown870957ab493e8d9f349b0751300dab0702dc0f4b5d08a89f33a3ce09b9fd994f
PDF
Publication page7debc19d8f1c05fc47c011b08095e1839d5ea8c6da73dbcfcc38b23c76262e43
Manifest725c977e813ac38f08bc42263d86a6671da1b9436e12c708035096f86c46e296

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
SignatureTlkp5mrczSJI83GQ+sP/RNSaPV1YN+uWmMtkfm3AI6l3O4JwvxvPSM92lXui9i1QkPBf+n9PY+3yWsUsbkAvDQ==
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

2026-09-17T09:32:46.717188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097735
observed 7debc19d8f1c05fc47c011b08095e183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.689318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097735/manifest.json
observed 725c977e813ac38f08bc42263d86a667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.659591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097735/publication.md
observed 870957ab493e8d9f349b0751300dab07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.633393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097735/publication.txt
observed 783e4471bef325b25db8ce6b6c863c9f...
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.