OpenTechnical

OT-2026-000007623

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000007623) never changes.

Identity and time

Publication numberOT-2026-000007623 · never reused
Internal UUID01a0ae62-76bc-7d39-aca8-4f90bacbf6d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007623
StatusPUBLIC

Content hashes

Canonical text6fa6b9ae40e80bbd2bebb3316d9eb55399679df028cf9756a77fe296fd52cdd7
Markdownc45ceb24e2949d2eb8e205446659148cbd2c96213b619fa278780e31176e1d44
PDF
Publication pagef68609006fead9c3e5803ec63a59b90f66b71b3e3c5e8887d44382de93caf98f
Manifest6e3d652b23882915b26e9ecb7b319052129e18bff1b5ba2c781eba72eb1e508f

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
SignaturelCaVWMux9ltDLs4jAmfwxEw0YgzDcj910SoM6HrXJo/ze5wrLv1vneQoAcoYswy8+lEsj738UzGVjwPXvq0PDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:14.346553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007623
observed f68609006fead9c3e5803ec63a59b90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.330059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007623/manifest.json
observed 6e3d652b23882915b26e9ecb7b319052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.313004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007623/publication.md
observed c45ceb24e2949d2eb8e205446659148c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.293958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007623/publication.txt
observed 6fa6b9ae40e80bbd2bebb3316d9eb553...
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.