OpenTechnical

OT-2026-000030358

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000030358) never changes.

Identity and time

Publication numberOT-2026-000030358 · never reused
Internal UUID01a0ae73-e501-7ed7-880b-d28a2a8b2005 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030358
StatusPUBLIC

Content hashes

Canonical textd862e176e0702f3d2fd4e428c785a1c115e7a03ba39d11c92795e44c8c88c22e
Markdownb45e3f60b3b0944c2ba2d7751238e77578ff1877cb406ee2344a36dfc8525807
PDF
Publication pagefc9311a0199cb2073324615610d6d139efb77e93135d216ff6ccb5cfb7432fb3
Manifestbcfad6f1934c5f35138fb970621bbd9f4451ad7417cf048e820b653f92f34623

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
Signaturej5d72Jasy2hBnxrcroGMyOvhNQfdrGCtXZsARm3/XbD8vVeEq/NeUOZQoEyoihquV+ZbEawYwqZ8Bsw4ZHeKBA==
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

2026-09-17T11:38:04.609498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030358
observed fc9311a0199cb2073324615610d6d139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.589839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030358/manifest.json
observed bcfad6f1934c5f35138fb970621bbd9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.571347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030358/publication.md
observed b45e3f60b3b0944c2ba2d7751238e775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.553296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030358/publication.txt
observed d862e176e0702f3d2fd4e428c785a1c1...
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.