OpenTechnical

OT-2026-000042441

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000042441) never changes.

Identity and time

Publication numberOT-2026-000042441 · never reused
Internal UUID01a0ae7a-5d75-7b0b-8cf8-bd33b70a7ae2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042441
StatusPUBLIC

Content hashes

Canonical text0d175c4863eacc98571ed8aaa196626611d9ecefd09f7c89240798cef7a82ccf
Markdownc599cf9a658add5a83fdfb27130a7741d2baafb2ecb5f88a1bb92a99558bf9a5
PDF
Publication pageee642eb23fb3b0815d50fbf639df05dd8a21c3f24d49b88cfeddf6a61c195a00
Manifest6bf3e5655bc62179fe6a652e5179ec7b63d175ff8315babaadb7ee2445ab3f5d

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
Signature9VlFuZ+Gn3r7NnRr9/uhCh1T8ns+gEX07ptDmT582XNVgmM9LfQX5YEtZn+ivAwT52+2DO8wBhnvNglEXhGEDg==
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

2026-09-17T11:16:14.668838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042441
observed ee642eb23fb3b0815d50fbf639df05dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.651225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042441/manifest.json
observed 6bf3e5655bc62179fe6a652e5179ec7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.633034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042441/publication.md
observed c599cf9a658add5a83fdfb27130a7741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.612265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042441/publication.txt
observed 0d175c4863eacc98571ed8aaa1966266...
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.