OpenTechnical

OT-2026-000080343

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000080343) never changes.

Identity and time

Publication numberOT-2026-000080343 · never reused
Internal UUID01a0ae96-7e77-7fd6-964e-9aebea7c08be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080343
StatusPUBLIC

Content hashes

Canonical text9c7c3fbcc9efa32ebf47257d6e093bb636bc0f0ea4536daca03bef550a1b7b3d
Markdownf83ca97b21d49152b99a736f7e74dbfcea2be927240df067778ebb43ab681eb5
PDF
Publication paged2959bc41d972580bc2e77f6c002f49a569f2ddeb94c0ba2156369c003ab595d
Manifestbcd9aecc06ae222ec4323c891591429dc382e9d2972ad71f5e2034a275c4e922

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
SignatureBEyrT1D7VZMaIsxWXlKt9AROBPmPxQ4CbQYRvPLXmrXrg8pPafbaOGGiNwangLGMqspweemEBAumgmzyF/AhBw==
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

2026-09-17T10:02:49.404951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080343
observed d2959bc41d972580bc2e77f6c002f49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.388297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080343/manifest.json
observed bcd9aecc06ae222ec4323c891591429d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.369045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080343/publication.md
observed f83ca97b21d49152b99a736f7e74dbfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.352294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080343/publication.txt
observed 9c7c3fbcc9efa32ebf47257d6e093bb6...
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.