OpenTechnical

OT-2026-000078496

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000078496) never changes.

Identity and time

Publication numberOT-2026-000078496 · never reused
Internal UUID01a0ae95-7c29-7108-a25f-39565a22beba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078496
StatusPUBLIC

Content hashes

Canonical text4ac8874ec8e1c839776e5a6253cad4d5659708f8b4c17fb7cd8f55cb14789a90
Markdown6f95359be6fc9e4116c7cb72c45b225d7b1ae4254fdb72d9b1a926e04fc6bfa6
PDF
Publication page2fabadee2a2762ef9c02969802cffed497ac4551319d26a68fd615b85e02b4e1
Manifest343ea55345a41586d924e8d7383677eb18298c3e832674f5129297179009db84

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
SignaturebmRD+aiDX7JG4VVKsSSs+RliWKC+4p8M3mpwg30G6Fx5fJYmJ+sCI74NGTs1lhYsHEiyGFvel4Xo993J7S0sBw==
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

2026-09-17T10:06:02.344809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078496
observed 2fabadee2a2762ef9c02969802cffed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.328244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078496/manifest.json
observed 343ea55345a41586d924e8d7383677eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.311753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078496/publication.md
observed 6f95359be6fc9e4116c7cb72c45b225d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.294779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078496/publication.txt
observed 4ac8874ec8e1c839776e5a6253cad4d5...
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.