OpenTechnical

OT-2026-000022930

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000022930) never changes.

Identity and time

Publication numberOT-2026-000022930 · never reused
Internal UUID01a0ae70-46eb-7164-bcdc-c04e1563767a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022930
StatusPUBLIC

Content hashes

Canonical text2ad5d5693a05d0025aee6e43a5ac9f278a9ca6e5a1bfd109cc88920ccada1cf8
Markdown7efc5a72501e7a000aad1c59c981faa32ba5e11a0ab2f30916b67bb02ec14525
PDF
Publication page45a5763eaf1344000391a32b5662a3fbefafc35bfe379be688884a8696d14b28
Manifestb51e947650c5a3794455d66d012f90eb5088e08e73277c821336379d3c2a4bb4

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
SignatureYUA9F3j5s8pSm3MNxubPZLlDK7tlUiK9qm6oie3fcH8flXEGvfBrg/7RV+FL4F9D6XHQOb8FWdqv7kb7HrI7Ag==
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

2026-09-17T11:52:30.574228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022930
observed 45a5763eaf1344000391a32b5662a3fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.557164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022930/manifest.json
observed b51e947650c5a3794455d66d012f90eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.541037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022930/publication.md
observed 7efc5a72501e7a000aad1c59c981faa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.521464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022930/publication.txt
observed 2ad5d5693a05d0025aee6e43a5ac9f27...
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.