OpenTechnical

OT-2026-000079777

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000079777) never changes.

Identity and time

Publication numberOT-2026-000079777 · never reused
Internal UUID01a0ae96-4375-7dbf-846a-2efe02e4f452 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079777
StatusPUBLIC

Content hashes

Canonical textd519b605851f33c1c25800a22abe83bbb8304af16bcfecde5ba3dedd121334bf
Markdown7d1cdfe418e611324a34e29d605f2d5082e5f61c2f0d256526bd6bcfe5765fff
PDF
Publication pagebf2529f6e592c4f01f812f4952c1a035b0bbc1c459ce2c1914369cf95eafdf26
Manifest68e4a154456873f2cbce9b6098a440891be57fdeabfa63cb39bcf3c408d229a5

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
SignatureKz3YWRGkPlc6XQHC2VdUWYZZxYS6angKgIbKoykJbY/GJBc806szUfvgycwkV8RlCOaB4Xq/gY31hQGOf/NrDA==
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

2026-09-17T10:03:39.025003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079777
observed bf2529f6e592c4f01f812f4952c1a035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:39.006070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079777/manifest.json
observed 68e4a154456873f2cbce9b6098a44089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.986124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079777/publication.md
observed 7d1cdfe418e611324a34e29d605f2d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.967092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079777/publication.txt
observed d519b605851f33c1c25800a22abe83bb...
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.