OpenTechnical

OT-2026-000097448

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000097448) never changes.

Identity and time

Publication numberOT-2026-000097448 · never reused
Internal UUID01a0aea1-55b3-78db-80ad-17dff061e24c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097448
StatusPUBLIC

Content hashes

Canonical text964d6407248fd2415abb4a62754450fbefe35585b7e4b2e50493edd066a73000
Markdownf3aa4bd0b10be0d33ba3d89a7ab83fa491fcb5fa1709077d019e16cee86fa559
PDF
Publication paged251f903f256d7d04a3e1c500812e141e2e2318814e4dbc705c8a2c3ba9c9d99
Manifestcc443e6777c4e15b10ba87eb6c37fd8989705b75660492d65c3229f12564faed

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
SignatureZua9nqI2uJ/sk9OUCRr9mchcMvGPvgWsw29zxXIdXhMYWv6RWPLKho95bdOT/i4UjkXgnT0ADmhTaca6a0kqAQ==
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

2026-09-17T09:33:18.595172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097448
observed d251f903f256d7d04a3e1c500812e141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.578333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097448/manifest.json
observed cc443e6777c4e15b10ba87eb6c37fd89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.561463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097448/publication.md
observed f3aa4bd0b10be0d33ba3d89a7ab83fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:18.542738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097448/publication.txt
observed 964d6407248fd2415abb4a62754450fb...
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.