OpenTechnical

OT-2026-000050604

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000050604) never changes.

Identity and time

Publication numberOT-2026-000050604 · never reused
Internal UUID01a0ae82-5c4a-7b90-ae0d-1ec06205303a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050604
StatusPUBLIC

Content hashes

Canonical text7654fae0ba95f7dadd4ed32bb50fcd137a813d14d458a207ba3aaefc457fe4ab
Markdown5c381ebaa340e610e228a3fcc88a6deccf31cbd0aaa5b4d3b22d47888c351a53
PDF
Publication page68daf9209ee2ef53609db32329964650fd34a1f7d277bae1e451be3ae1c4261c
Manifestc5b4d085115d44bd06357c0ecc3b2503a5ecde04e385882042b783f3dfe93d55

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
Signature/GGb8VwY7P1lZA/C4kpCSeo6oP36EeDbXCgJMPUXrAHEDq16w7KWFFuEkMlWrQCSugZErgynzOJH2BDO0UN0DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:01:42.702604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050604
observed 68daf9209ee2ef53609db32329964650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.683661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050604/manifest.json
observed c5b4d085115d44bd06357c0ecc3b2503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.664117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050604/publication.md
observed 5c381ebaa340e610e228a3fcc88a6dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:42.645146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050604/publication.txt
observed 7654fae0ba95f7dadd4ed32bb50fcd13...
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.