OpenTechnical

OT-2026-000034037

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000034037) never changes.

Identity and time

Publication numberOT-2026-000034037 · never reused
Internal UUID01a0ae75-df0c-7f66-9e28-f45e418bbfa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034037
StatusPUBLIC

Content hashes

Canonical texte4740c63780e0d9e4556eeb735b049eba0f3ad5c631f42f44bb7c80548804a69
Markdownc48e2f56ef1c64ae8ccc2ef87324dae13746da9e8613bbd84c6d57e8047c78c6
PDF
Publication pagecf3358a99da858d61b6dab94821efa34c24bb3895364b3aa647030cfba11475d
Manifesta44492c56a6c5e83917dcab41375181351b6d7ac994fda0bc7d55d278d541998

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
SignatureARET5ZKO+kssUP+JQt+QjC8DJ8d0HC9IiBb8GKGgZWsGC+/4fk+rXg7354InlJohNvT1b889JoRgjurbbXSGDA==
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

2026-09-17T11:30:16.176719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034037
observed cf3358a99da858d61b6dab94821efa34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.141319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034037/manifest.json
observed a44492c56a6c5e83917dcab413751813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.118342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034037/publication.md
observed c48e2f56ef1c64ae8ccc2ef87324dae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.097806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034037/publication.txt
observed e4740c63780e0d9e4556eeb735b049eb...
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.