OpenTechnical

OT-2026-000095752

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000095752) never changes.

Identity and time

Publication numberOT-2026-000095752 · never reused
Internal UUID01a0ae9f-fac6-7e08-af38-735a7481d6cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095752
StatusPUBLIC

Content hashes

Canonical textbae029ab431b1e484cfc408f50ec8bd299abceb89575829f62ef6b49cf9b71ae
Markdownf628cdd1f0748fe15eb7ae97e6ae0173ed42cb15e97dcd726dd278cced7063d6
PDF
Publication page377ea999fb4df09f478aa104d1fe31dc791a87796cd6fbdb57be2fe92500f01f
Manifestbe8a1530688cc19b53efe30333a2717399a7255d109e1e06f35f6e037345a5e3

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
SignatureEsR6cuS1qcPWkRXhrUR8cxnVD5FUlblkAb4SO/JdmPYARklAS78qgL6ijfVmDyvEeo6qJA+FrUm+er4cm691BQ==
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

2026-09-17T09:35:19.207192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095752
observed 377ea999fb4df09f478aa104d1fe31dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:19.188805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095752/manifest.json
observed be8a1530688cc19b53efe30333a27173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:19.171149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095752/publication.md
observed f628cdd1f0748fe15eb7ae97e6ae0173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:19.153623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095752/publication.txt
observed bae029ab431b1e484cfc408f50ec8bd2...
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.