OpenTechnical

OT-2026-000038672

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000038672) never changes.

Identity and time

Publication numberOT-2026-000038672 · never reused
Internal UUID01a0ae78-769e-7774-9381-94e8ded72746 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038672
StatusPUBLIC

Content hashes

Canonical text195ae4a5e1dbc1e8e41dd38c2107c1975e7637740d7db5c7d37e6d54e7cde34a
Markdown62301650e5e201efc2de7d2bb7616d746314dbc819d5ca99aeef1c7d624eaf0a
PDF
Publication pageb63059ef59ed8ce6b9a6d013beb81f194a4ea812c529555fe6718e969297cd8f
Manifest46bfeab0b2724313f3c79e8f607d50e0a521e9a9c96b01d16f549911a1618d45

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
SignatureSabTYRMSPDI8BCaaMYTcRgaG1vf3hqpfqhwGptUsW/nBnQ76TGU/c+9mhDUmQlmYNk3yg1dk+hsBiDJIA9vaCQ==
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

2026-09-17T11:21:08.218266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038672
observed b63059ef59ed8ce6b9a6d013beb81f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:08.201213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038672/manifest.json
observed 46bfeab0b2724313f3c79e8f607d50e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:08.181486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038672/publication.md
observed 62301650e5e201efc2de7d2bb7616d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:08.165709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038672/publication.txt
observed 195ae4a5e1dbc1e8e41dd38c2107c197...
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.