OpenTechnical

OT-2026-000071252

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000071252) never changes.

Identity and time

Publication numberOT-2026-000071252 · never reused
Internal UUID01a0ae91-e0ec-7048-988f-292acbc019df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071252
StatusPUBLIC

Content hashes

Canonical text278ac9f9cc429800678e1a6ba49234418fca9fe96bfaf9c6abe55abc6f405bd8
Markdownabfa0eab935017974947c4a450de48ef4d3fe8988c11d374e4ad37abc4688f24
PDF
Publication pagec5e1234ce4e7e93d8d5049a4080dbfaadcfbcb837fb6fcda0dacd65b78083e59
Manifestcf651e5f7ebb5a4bf7460e5ff1594ed81c85d5c87f507f8fe7bb41cfdbd453dc

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
SignaturepqxqGhZXugvEgBuFl+D5iN0rtRxnrkwT8k9A6xT+2f124eRiCjpZ1m37Bp7J1EuuTNl4JVfgMrgVaUCJ3AY/DQ==
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

2026-09-17T10:24:48.421981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071252
observed c5e1234ce4e7e93d8d5049a4080dbfaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.404948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071252/manifest.json
observed cf651e5f7ebb5a4bf7460e5ff1594ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.388361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071252/publication.md
observed abfa0eab935017974947c4a450de48ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.371162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071252/publication.txt
observed 278ac9f9cc429800678e1a6ba4923441...
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.