OpenTechnical

OT-2026-000065853

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000065853) never changes.

Identity and time

Publication numberOT-2026-000065853 · never reused
Internal UUID01a0ae8e-46fc-742b-ad91-4be1b6459b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065853
StatusPUBLIC

Content hashes

Canonical textcbb1e3ecb52c806e78fe14ef911dd74b10d53d473cb3f77da7ba4b68992d5206
Markdownba5bf79dd8e1849ce4ba872c2749d5f56944ba4ec421b4caed8c0ee4b1cf8c65
PDF
Publication pageabc2b8bca88f57cc436ab18bb937d6e33ee7fa68c3af55da84b164f874bf6808
Manifest59106180cfd5c4634e8cf0600d1c465d2e269a5c26d7e79666c6d7feb5653d73

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
SignatureRmX2hvH8P24OJaVb8FjGxffP2dRy1zNgP41q4NQs0RQOlo5G6aPpuFwfu89YWapG1Y+fLOrXe5xICBHWpUWLCQ==
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

2026-09-17T10:34:18.625243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065853
observed abc2b8bca88f57cc436ab18bb937d6e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:18.607742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065853/manifest.json
observed 59106180cfd5c4634e8cf0600d1c465d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:18.589692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065853/publication.md
observed ba5bf79dd8e1849ce4ba872c2749d5f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:18.571503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065853/publication.txt
observed cbb1e3ecb52c806e78fe14ef911dd74b...
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.