OpenTechnical

OT-2026-000017953

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000017953) never changes.

Identity and time

Publication numberOT-2026-000017953 · never reused
Internal UUID01a0ae6e-96fc-7edc-84b7-b2bed98ee2ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017953
StatusPUBLIC

Content hashes

Canonical text36c446e4bb8cf266fc943e7f0125aa4cff356c22bf18bf7b260ca17e869810af
Markdownad1aaebea5f9e89ae830337f71d6d9ce6ad81d8796abb434501cf99430346bff
PDF
Publication pagecc3acb0520fff214feb359ae989fc567f833fd6ced61587b122ab0183eea884d
Manifest8f1c7d3161d3f73bd2a734fa4c1eb59cf9168e5dd673dc2b405c8f18b3cda427

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
SignatureGbLOgaCHZCvtF1gaPHAs/LJjD4K1lIlqCU55cuVW/EfRBBYgDkifVZRQlaFyFKBYTddlOm4IyFdooAQ2k0aoDg==
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

2026-09-17T12:01:57.217647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017953
observed cc3acb0520fff214feb359ae989fc567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:57.199716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017953/manifest.json
observed 8f1c7d3161d3f73bd2a734fa4c1eb59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:57.180061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017953/publication.md
observed ad1aaebea5f9e89ae830337f71d6d9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:57.161495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017953/publication.txt
observed 36c446e4bb8cf266fc943e7f0125aa4c...
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.