OpenTechnical

OT-2026-000041642

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000041642) never changes.

Identity and time

Publication numberOT-2026-000041642 · never reused
Internal UUID01a0ae79-e8a0-773e-b6a8-39b726cd70e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041642
StatusPUBLIC

Content hashes

Canonical text0d5b63fa94f31585532ac2d2b2119687b5d8d05124c3c7faeeb4d9bbd0f7030a
Markdown17f42d03cce86131c49af39b5872828cf98f138ea90dfa926cd196019811299e
PDF
Publication page4abeeccf459d11cde7ce0e3c809a1b3e009a8cea145aa04af29f48bc087e5b71
Manifest2577dd987545e20b2ee02f28874e7549b50cffad491b2b92b13560d97ca606fd

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
SignatureLvaAFpBcrs5D7vI+xJc3sLUXpYELK6oxofpK7MjVLfddUWRF74aYr7ixxUQQTeqKM+XbrlWb8PnJ5RnduW8ZAQ==
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

2026-09-17T11:16:26.597753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041642
observed 4abeeccf459d11cde7ce0e3c809a1b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.581443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041642/manifest.json
observed 2577dd987545e20b2ee02f28874e7549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.564331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041642/publication.md
observed 17f42d03cce86131c49af39b5872828c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.544002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041642/publication.txt
observed 0d5b63fa94f31585532ac2d2b2119687...
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.