OpenTechnical

OT-2026-000010383

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, vented after 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-2026-000010383) never changes.

Identity and time

Publication numberOT-2026-000010383 · never reused
Internal UUID01a0ae6c-0ee6-7a6f-8a62-0cbf7578b468 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010383
StatusPUBLIC

Content hashes

Canonical textbd3440107cda8c97d520aa3578019270dc0db34e359fb2375efba16dfe67148a
Markdown6b9ecb65d9b3655fea896122af5e632703075c0c93bb5ab1f5cfa8f5438e1651
PDF
Publication page0b7cbec640af15e390c5a24ef59713780a21301a227407e9de0d953d53c2a0b9
Manifestdebe91185bad5e7a7accc510fa31032b86e443b3b052f0edbfb44d93182df6cf

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
SignaturewhyPvIfDaYjc68BV7gBlvUNE936nl7BE3Z+FSG2qqMlLG0jwrDKlx20blfZOAuqMIKDVHMB3f3qDHmw5vayZCA==
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

2026-09-17T12:14:30.063550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010383
observed 0b7cbec640af15e390c5a24ef5971378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:30.044348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010383/manifest.json
observed debe91185bad5e7a7accc510fa31032b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:30.025444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010383/publication.md
observed 6b9ecb65d9b3655fea896122af5e6327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:30.006470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010383/publication.txt
observed bd3440107cda8c97d520aa3578019270...
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.