OpenTechnical

OT-2026-000079381

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, sustained blow-off before set-down

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-2026-000079381) never changes.

Identity and time

Publication numberOT-2026-000079381 · never reused
Internal UUID01a0ae96-0b90-7c96-9002-b764ad96194f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079381
StatusPUBLIC

Content hashes

Canonical textd91ad195f6203d6cc045c10384a5514935046b5ffbda16769ca44814fbd31f91
Markdownafd51e5f716c9eba8cf36037d90e2c0f47f79387ee6076bbfe698a2d1c45a6c0
PDF
Publication page9b7d186f685fe7fe6b4eecbdad1bf0f63808e3d8df5492e0e97de821951a9b38
Manifest6eb53b08a6106aa870bf4dfc28ed7c4e4231262812c334e42e4721730be1bf38

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
SignatureuDcw0SDMqPwNFDP+28qTm8ur3AVLGc3gKa1vD7KlFWHQY/1POxYjQBHEOOUeAV1UZbcNBdnfEjxNAAfFCsv9Dw==
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

2026-09-17T10:04:43.091813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079381
observed 9b7d186f685fe7fe6b4eecbdad1bf0f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.075089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079381/manifest.json
observed 6eb53b08a6106aa870bf4dfc28ed7c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.056859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079381/publication.md
observed afd51e5f716c9eba8cf36037d90e2c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.036694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079381/publication.txt
observed d91ad195f6203d6cc045c10384a55149...
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.