OpenTechnical

OT-2026-000072322

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000072322) never changes.

Identity and time

Publication numberOT-2026-000072322 · never reused
Internal UUID01a0ae92-47c3-7e6e-9dd4-4a71f1d0b170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072322
StatusPUBLIC

Content hashes

Canonical text061906aa7a3b42efcf4fa1e02000a8fc98a890c278c4de7e43a7799345d6950c
Markdownc3df5d5fd7f363d7620115dc2e2010d8def7fcd27e835540cc9eaafb9ef96cef
PDF
Publication page25ed775ec26c207c3d666db1cc73767d9898d750aa01b76af8ab4ad3f0f01eae
Manifest7572dd8651900b6e30499e39b3556260922f6e3eb7e7d001d772086877a50249

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
SignaturekrVgAqTB+UcvsgIoEUXqPUxG+np6wbIh9s1xtleFdWVJH32Tk9NX8KL3TnGCOBwo32/DLfuw1OI3Bg++96kjDA==
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

2026-09-17T10:23:32.906209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072322
observed 25ed775ec26c207c3d666db1cc73767d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.890381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072322/manifest.json
observed 7572dd8651900b6e30499e39b3556260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.874021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072322/publication.md
observed c3df5d5fd7f363d7620115dc2e2010d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.857388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072322/publication.txt
observed 061906aa7a3b42efcf4fa1e02000a8fc...
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.