OpenTechnical

OT-2026-000097741

Publication integrity record

Foam pad 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-2026-000097741) never changes.

Identity and time

Publication numberOT-2026-000097741 · never reused
Internal UUID01a0aea1-92f5-7508-bb03-87303b5a3fd2 · 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-2026-000097741
StatusPUBLIC

Content hashes

Canonical text16d5d001a2e5d3a5bff74f26341ec986ac75d999108867cf3d5d535473d90629
Markdown136ff61803a33a98a577008a900ebad8ea28d0317a12d62c4cfd2356a65a531a
PDF
Publication page6c07484b2beacbe4a228a1b8e77193941ea72cc4f79530e4e5956870de24e3d9
Manifest8fdd793e68c46ce46a3d50c0378c2cdb463118478aea1c2015edcffdfb8b78e5

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
Signature6NP0mA2A9+I8QdHTIwhj72Z92Um1C5zQXQRwsv200EQEK8MajAA1LrX7f+wSelJZ+Mz0O6tMrcQnsIJ5tvipCg==
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

2026-09-17T09:32:47.525962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097741
observed 6c07484b2beacbe4a228a1b8e7719394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.499966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097741/manifest.json
observed 8fdd793e68c46ce46a3d50c0378c2cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.473862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097741/publication.md
observed 136ff61803a33a98a577008a900ebad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:47.445151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097741/publication.txt
observed 16d5d001a2e5d3a5bff74f26341ec986...
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.