OpenTechnical

OT-2026-000057212

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000057212) never changes.

Identity and time

Publication numberOT-2026-000057212 · never reused
Internal UUID01a0ae87-d5bb-7b91-aaf7-45bd445cd415 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057212
StatusPUBLIC

Content hashes

Canonical text5aae09cc85a56c2ffc35db2362b342b09725b8dc4862198664f5abf4b63a9b9b
Markdown03f99ab6c3affc8c66f8108d6e0fe4467ec35188fe80af3a126f96a8c73499bb
PDF
Publication page83882346494e3596ba31cab1fe049c1fd36d3a9a8af9db10b8514f51715856a1
Manifest2b9a699e0637ef22902bab0e1c1c61425cf040c996d9c69b2fc865e5a094e1ab

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
SignatureshyVgT0hxtRyMKgFFFPLbbxZwpAJqfRG/P7cS5sLGwRuVxgurzjbEHmDvZ5g4Ugrmexl0LYvOg/CDu0N5dGZAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:15.861302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057212
observed 83882346494e3596ba31cab1fe049c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.841690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057212/manifest.json
observed 2b9a699e0637ef22902bab0e1c1c6142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.803461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057212/publication.md
observed 03f99ab6c3affc8c66f8108d6e0fe446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.772040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057212/publication.txt
observed 5aae09cc85a56c2ffc35db2362b342b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.568954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057212
observed 83882346494e3596ba31cab1fe049c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.551737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057212/manifest.json
observed 2b9a699e0637ef22902bab0e1c1c6142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.512042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057212/publication.md
observed 03f99ab6c3affc8c66f8108d6e0fe446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.471033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057212/publication.txt
observed 5aae09cc85a56c2ffc35db2362b342b0...
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.