OpenTechnical

OT-2026-000057891

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057891) never changes.

Identity and time

Publication numberOT-2026-000057891 · never reused
Internal UUID01a0ae88-6ed8-76ee-bf49-7af42361be83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057891
StatusPUBLIC

Content hashes

Canonical text63f29615fd18161a22fde9fa49640bb4621ae98c60d0b93ddcbecd9d5567e615
Markdown1cc6c48703daa73bc97f0850892de4328469ff68e88c2c000e30bbdb85a4dc1b
PDF
Publication paged753e8c123fd916cdce5331ec130f5165be7a0d86f480e34c9c5d13335dc1db9
Manifesta4e44242e1719014c836b57314419b5746c1faae5ae643fa11529c6b11b4f26a

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
SignatureKLYty1xnOpi8cpZCm1YansyLOxTEgR4ExalQI0ceiGWavmfLuXrKAWCbUeJRd7XmFLzJ7fV6IA/Ud4oEO4FJCw==
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...

Independent retrieval

2026-09-17T10:47:28.997634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057891
observed d753e8c123fd916cdce5331ec130f516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:28.977367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057891/manifest.json
observed a4e44242e1719014c836b57314419b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:28.958202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057891/publication.md
observed 1cc6c48703daa73bc97f0850892de432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:28.935614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057891/publication.txt
observed 63f29615fd18161a22fde9fa49640bb4...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent