OpenTechnical

OT-2026-000025823

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed blow-off 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-2026-000025823) never changes.

Identity and time

Publication numberOT-2026-000025823 · never reused
Internal UUID01a0ae71-a83e-7dc4-ae05-8eb71a2dfbe6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025823
StatusPUBLIC

Content hashes

Canonical text6380f080a0832d15abd5f55461d7eab3442f05cae5c17110acac8fdd06b2e3f1
Markdown5b74c38508832cd9d04598ccf283b9e359e353524ac1152948c1fd607239ee6a
PDF
Publication pagecc238ce0a3193eac0f252c8810f62946bc900344b72d70e35c8b145c6f3c41ca
Manifest80ec46c18c165b09acb966882c77bff7c623172d4b8d9482c37667f490e9e267

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
Signature7r3P54/qvPJw9tgdmgpZTrwhPpLwaFjtuhSyYGOK7cvX7C4M11Twy6xjUO5MF+PZ1TGM2zPE0kqU6St9lJwTAQ==
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

2026-09-17T11:46:02.722290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025823
observed cc238ce0a3193eac0f252c8810f62946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.706283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025823/manifest.json
observed 80ec46c18c165b09acb966882c77bff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.688342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025823/publication.md
observed 5b74c38508832cd9d04598ccf283b9e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.672428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025823/publication.txt
observed 6380f080a0832d15abd5f55461d7eab3...
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.