OpenTechnical

OT-2026-000070978

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000070978) never changes.

Identity and time

Publication numberOT-2026-000070978 · never reused
Internal UUID01a0ae91-8c2e-728d-8e4a-87bccf591cdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070978
StatusPUBLIC

Content hashes

Canonical texte8241a26513e5faab5fc2d7873c7bc5b2fa940360fc7bada19d6b25692e2a597
Markdownd867e0e73306630706fb5fe59e4e5d2a7c38cf2d0bd0193dd92ae011c047f672
PDF
Publication pagee2e9eb7f8a52c6d4962ddf77170ac53d3a2894a9dca9c4c50a8e9dc175c5e189
Manifest76b7774d52c69337b7f529ec6787a9b18d5f82944e0d66bbbdbf004665ea2557

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
Signatureyu1dXMe2fq7lHE3oIEJ1vrhyy8gnPYe2lIc9I2vt/2vwvmKu+Hqac3eJw4nBOgZmrIb3B/YVkVJhpTuBZXWJAQ==
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

2026-09-17T10:25:49.181241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070978
observed e2e9eb7f8a52c6d4962ddf77170ac53d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.164788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070978/manifest.json
observed 76b7774d52c69337b7f529ec6787a9b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.148604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070978/publication.md
observed d867e0e73306630706fb5fe59e4e5d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.131048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070978/publication.txt
observed e8241a26513e5faab5fc2d7873c7bc5b...
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.