OpenTechnical

OT-2026-000068591

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068591) never changes.

Identity and time

Publication numberOT-2026-000068591 · never reused
Internal UUID01a0ae90-2482-7ec1-916b-7c88144bdcba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068591
StatusPUBLIC

Content hashes

Canonical text4270fda7d1e11cef2a0c099969cb7284ace859ae862dc1d64460edd0124228fd
Markdown6e648dae7d455982ccbe7b21a7b5b368b7598c4b5b4cab2936a4d8bc31cefeac
PDF
Publication pagec6501fdc491589022a452bd323224294e1cc854f74e92819bcdd850785fff877
Manifestcee4a8e4d5ae30afcc05de53bc14562ffd4ea88affcfcab8e237983c73e5949a

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
SignatureW9UphvCWh5LTJ10NFalpHIi0BL+CL3xjVPbS/0kYKaC3IgjHeU7ET5j59TMH6mg82b/8wRtm8wpMiwHfPC1bAA==
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

2026-09-17T10:29:46.103956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068591
observed c6501fdc491589022a452bd323224294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.087018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068591/manifest.json
observed cee4a8e4d5ae30afcc05de53bc14562f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.066530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068591/publication.md
observed 6e648dae7d455982ccbe7b21a7b5b368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.047123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068591/publication.txt
observed 4270fda7d1e11cef2a0c099969cb7284...
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.