OpenTechnical

OT-2026-000080379

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000080379) never changes.

Identity and time

Publication numberOT-2026-000080379 · never reused
Internal UUID01a0ae96-7e77-7674-b00f-7a25a8ac04f0 · 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-2026-000080379
StatusPUBLIC

Content hashes

Canonical text0f75d05746a10deba170a2db2be10d1c74a24475673cdc108b4ec2ae2b4109bc
Markdown375fa3594a5d8e97360575e681e4c021db6ec5399114c9dc260cbbf69b609b38
PDF
Publication pagee2bed1d8923c7b6e15094813dd262073ee4677f8d02b78fa94779389d1bc7a97
Manifestf044f04c6587178b74cf263617eb8d5fd4246afb8761b3ceadb1cb7e9f513665

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
SignatureBIy73IqwtXlLaDFYGfAxOkV/DkT8yglN74ZoGR/nhpT/zrGLIaBmfwjgEbLbNdaGwaFUc/EWx6QP2We9l3b5CQ==
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

2026-09-17T10:02:52.312200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080379
observed e2bed1d8923c7b6e15094813dd262073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.295936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080379/manifest.json
observed f044f04c6587178b74cf263617eb8d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.280060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080379/publication.md
observed 375fa3594a5d8e97360575e681e4c021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.263242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080379/publication.txt
observed 0f75d05746a10deba170a2db2be10d1c...
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.