OpenTechnical

OT-2026-000031709

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000031709) never changes.

Identity and time

Publication numberOT-2026-000031709 · never reused
Internal UUID01a0ae74-bad0-7b9c-bfcd-95f5c43ed8c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031709
StatusPUBLIC

Content hashes

Canonical text68a18a77c9ad5f6ad37198750566ab4f9024f73c304d4ce8efdad947df2a0d85
Markdownc48cb80335b5f279f8267b33e94ae2ff85d2cd77614d3b2706fb24e7cbbff1b9
PDF
Publication pagee3deaf0a12014bb91e70cb723689b049eca410769dbccb704207af1e3d8a3cda
Manifest83957badfda7b56e025a9b0eb081ecceb31cb2737038012a3f6f9d1f51705e9c

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
Signaturez8g/ccFltGerQIJBrONdBbGC5O8V3Cu1NqCbEeI+lvLivenR+lQMVQQNMnJ8qbcVn7F9Sr+70hc8380EDTBFCw==
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

2026-09-17T11:34:49.093048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031709
observed e3deaf0a12014bb91e70cb723689b049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.076691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031709/manifest.json
observed 83957badfda7b56e025a9b0eb081ecce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.056589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031709/publication.md
observed c48cb80335b5f279f8267b33e94ae2ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:49.039171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031709/publication.txt
observed 68a18a77c9ad5f6ad37198750566ab4f...
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.