OpenTechnical

OT-2026-000039764

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000039764) never changes.

Identity and time

Publication numberOT-2026-000039764 · never reused
Internal UUID01a0ae78-d8d5-7edb-8007-d7e234d8b6f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039764
StatusPUBLIC

Content hashes

Canonical text3a23fba39cc88e6af5256c060051dbffac5116bb6f0d2525565a22d8fee283ad
Markdown2533ae251ba8082d5d744d7e4a4bee72b36643999bafa60af3433b93c5f30613
PDF
Publication page8d9427f7bc08085f5a369576b2b2710a9a4f2db17231c1394e0b4d21ba0a4257
Manifest7286ca3ec8e439e8843df7611496b469d831ad06be9938f78f85d5fab7e0e062

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
Signatureh9R8EaYfwX0ifi1ehlXMjnXL9MAQlMQQr+QiQEu3V0ZLOaowz8qFxA3tS4S+DaiskZ8lr036OdoG4zKpMkVCBw==
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

2026-09-17T11:19:59.153771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039764
observed 8d9427f7bc08085f5a369576b2b2710a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.137801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039764/manifest.json
observed 7286ca3ec8e439e8843df7611496b469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.121225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039764/publication.md
observed 2533ae251ba8082d5d744d7e4a4bee72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.104701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039764/publication.txt
observed 3a23fba39cc88e6af5256c060051dbff...
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.