OpenTechnical

OT-2026-000074651

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold 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-2026-000074651) never changes.

Identity and time

Publication numberOT-2026-000074651 · never reused
Internal UUID01a0ae93-ac2b-7385-adf6-b60dce3146e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074651
StatusPUBLIC

Content hashes

Canonical text2abf863d2b8da2f72e1471085252697afc53f6ff21e00949656e9ca4fa2c9316
Markdown46aeae8b1857008c5c03c21b6a9f306a29d2f338164ebc3bc51c82943de03879
PDF
Publication page15444d6b30d7f050cbb106930ca6632e6185a6645a66b526eb6f06ffa9beaaca
Manifest01e92bbb644483951d69c0ed05e5c8b8b3719247ec159ee12b2036349b519904

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
Signaturez2R7/R7vW8dAD/wW0kzB8WdXLlIdsEG4C3EJDJb+U+pGodaeFs5/UrnFweFnagydAhWXbde7LzpexDkgW3ItBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:13.582956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074651
observed 15444d6b30d7f050cbb106930ca6632e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.566937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074651/manifest.json
observed 01e92bbb644483951d69c0ed05e5c8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.551015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074651/publication.md
observed 46aeae8b1857008c5c03c21b6a9f306a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.534185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074651/publication.txt
observed 2abf863d2b8da2f72e1471085252697a...
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.