OpenTechnical

OT-2026-000062821

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000062821) never changes.

Identity and time

Publication numberOT-2026-000062821 · never reused
Internal UUID01a0ae8c-94a7-796a-83fe-d2d05c58f126 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062821
StatusPUBLIC

Content hashes

Canonical text4a6bc92ce58137ffa61f431018185957d93b27bf04dc6528af7a72fd11f3f551
Markdown6fb6ba04f0874df5f73fc08e65748ded17ec535a93b620c498145b4bb2042819
PDF
Publication page346d61d8a358baeedcbbdd4bda65b80dd7e6752eec9fc112ace0fa1d4be24262
Manifestd0e53e00ea42d472a6711317a15c30abe329d0f9e291baa66aacff509b2bf171

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
SignatureFF04FZy4KdC6krfu3aYj/ZZ/B4cWUxk+B1pNuZP08DbXmYQxs8rgU9YvdLRLV+d/0HK/hR4E9tYgHYahC7UVAg==
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

2026-09-17T10:40:07.943124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062821
observed 346d61d8a358baeedcbbdd4bda65b80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:07.923863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062821/manifest.json
observed d0e53e00ea42d472a6711317a15c30ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:07.905164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062821/publication.md
observed 6fb6ba04f0874df5f73fc08e65748ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:07.883959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062821/publication.txt
observed 4a6bc92ce58137ffa61f431018185957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.613806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062821
observed 346d61d8a358baeedcbbdd4bda65b80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.596878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062821/manifest.json
observed d0e53e00ea42d472a6711317a15c30ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.579252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062821/publication.md
observed 6fb6ba04f0874df5f73fc08e65748ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.562721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062821/publication.txt
observed 4a6bc92ce58137ffa61f431018185957...
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.