OpenTechnical

OT-2026-000079580

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after set-down

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-2026-000079580) never changes.

Identity and time

Publication numberOT-2026-000079580 · never reused
Internal UUID01a0ae96-0b92-7d81-b09c-690e967e3fee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079580
StatusPUBLIC

Content hashes

Canonical text5cd15035b54c17f2798f6c608300c05bf9bc236d215108bbe658c76cdce66f80
Markdownb229d39032ba98b5ac74e1e98a153f67a755ef37ef3deaf412cc720d3c5a6c16
PDF
Publication page640189c95228ae84355128eab6e07c3c15b61ace2fa80c00d96f80d26dbd29f5
Manifesta0a6bf9f6458243768b66a1c2fb27ab5bec01a1d73df21e39cc662053ba44331

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
SignaturewNhGnLLyVRH1bdPIhouhypXnClfxVIpY8CgVB/thxbQgnTd+SowoenwYxnH++9hDINKczdqy6bdnWx3XWy1KBQ==
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

2026-09-17T10:05:13.969094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079580
observed 640189c95228ae84355128eab6e07c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.950485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079580/manifest.json
observed a0a6bf9f6458243768b66a1c2fb27ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.930244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079580/publication.md
observed b229d39032ba98b5ac74e1e98a153f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.911897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079580/publication.txt
observed 5cd15035b54c17f2798f6c608300c05b...
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.