OpenTechnical

OT-2026-000092990

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line 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-2026-000092990) never changes.

Identity and time

Publication numberOT-2026-000092990 · never reused
Internal UUID01a0ae9e-090f-7990-8898-e87a6c310490 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092990
StatusPUBLIC

Content hashes

Canonical text51e4310a48a919f530f19a6e8285a2ebc893d39a4a1fbca1109e961abd203734
Markdownd3cd3660422b34f4d48a72174db9b9ed534627e097a645f98c3bd7ba2da83495
PDF
Publication page24cb8166cd4b4c07728ae3780900f3942c0d78a21e49ab6b3c0060d17054fe11
Manifest25fa437a4f75a6d9abeb9a7af23a00f42d1a715955a46f6813e1c64172f77973

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
SignatureilWNAvd6044XP1DQfyFbJoQSEiSW0W+f+geHVdaksm8VDgft2YPhXU8nOljLPZ5R4oKOozjznswotq5czhD0AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:11.531801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092990
observed 24cb8166cd4b4c07728ae3780900f394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.513844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092990/manifest.json
observed 25fa437a4f75a6d9abeb9a7af23a00f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.494474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092990/publication.md
observed d3cd3660422b34f4d48a72174db9b9ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.475633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092990/publication.txt
observed 51e4310a48a919f530f19a6e8285a2eb...
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.