OpenTechnical

OT-2026-000056333

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000056333) never changes.

Identity and time

Publication numberOT-2026-000056333 · never reused
Internal UUID01a0ae87-4bd2-74f2-9378-d5326eb2b84d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056333
StatusPUBLIC

Content hashes

Canonical text8e46dff533fb6d5bfb74b69aae95cad08b348cffb788635e320130a110d9c527
Markdownad5019b43bf4a3c1a2d344ca0542705f90abf35e9e7aed7203af3b7b21e3a988
PDF
Publication paged9e5b266bb918bd4e8ccef3a2c5bf939380f63e3e1b66e6edefa1f3692c434e6
Manifest8545ae3bdd7562da8f5f4c77b42bf9ff2f3027d2d11f97eaa7f591b8fa8319f8

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
SignaturefPOJ5Vw+LeTHtjrPUCDlfwMFCsG0nf94upMabKHviDpv01sA+qqA6vKXH5FI37sYJcQkU+yES+k4ceuIfnT9AA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:50.374985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056333
observed d9e5b266bb918bd4e8ccef3a2c5bf939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.357886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056333/manifest.json
observed 8545ae3bdd7562da8f5f4c77b42bf9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.339520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056333/publication.md
observed ad5019b43bf4a3c1a2d344ca0542705f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.321033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056333/publication.txt
observed 8e46dff533fb6d5bfb74b69aae95cad0...
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.