OpenTechnical

OT-2026-000071372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000071372) never changes.

Identity and time

Publication numberOT-2026-000071372 · never reused
Internal UUID01a0ae91-e0ed-7641-873e-cb33aecc783a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071372
StatusPUBLIC

Content hashes

Canonical text81122ddac91eb0810e9782c218408016b45199df582594c837a8f8e85d7f4c86
Markdown5a39f8d1a1d03757189acc6a758a237da4ab89bd8ce0121eca4ef1df5c8077a1
PDF
Publication page2dc70b4914f0d5168c9a098205495e47b75480ee9308242c118c404ec2c8de66
Manifestc82a1a6e5f68f4b9cf06da554014ee964ecb8a9e3f5fe5b3c4cd66681163003c

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
SignatureRl1Z7TCgIZEaIdBHKjG66d558kqhBwSwYJgifih2bHN6lkCElGrajVw0ucTzI4yKo9JllPl6dURwKOb+oAfjAA==
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

2026-09-17T10:24:59.267659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071372
observed 2dc70b4914f0d5168c9a098205495e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.248220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071372/manifest.json
observed c82a1a6e5f68f4b9cf06da554014ee96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.229314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071372/publication.md
observed 5a39f8d1a1d03757189acc6a758a237d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.212109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071372/publication.txt
observed 81122ddac91eb0810e9782c218408016...
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.