OpenTechnical

OT-2026-000051815

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000051815) never changes.

Identity and time

Publication numberOT-2026-000051815 · never reused
Internal UUID01a0ae83-7c84-70c7-9a2a-48805fb187e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051815
StatusPUBLIC

Content hashes

Canonical text40a6c1b1f56e459e4abcc82de3bdcaa52042c7ce4ea58692422d0413497b6beb
Markdown358e30355aadb06a2798bc85cdd45edc2576047f41e60dfa6455f0c594fc5338
PDF
Publication page707c1170f9512afbc5d8291f498877d56837f271a022e250c64a1c689098c214
Manifest3ea581ba71d4a699581b5c0491c21af128193f7c49a3fdaef4436c74ccbc5744

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
SignatureFPE/kQEgHCC1amiOW4c+HeDpM0zDvjWHmLjOq+zUsRKY6gTeQAX1xsqjsb+8UfKnNUhIWeoqpAdQMHcILu/iBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:44.037711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051815
observed 707c1170f9512afbc5d8291f498877d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:44.020105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051815/manifest.json
observed 3ea581ba71d4a699581b5c0491c21af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.996912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051815/publication.md
observed 358e30355aadb06a2798bc85cdd45edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.979323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051815/publication.txt
observed 40a6c1b1f56e459e4abcc82de3bdcaa5...
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.