OpenTechnical

OT-2026-000077337

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed 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-2026-000077337) never changes.

Identity and time

Publication numberOT-2026-000077337 · never reused
Internal UUID01a0ae94-f509-7d44-a845-7e8e8ec8440c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077337
StatusPUBLIC

Content hashes

Canonical text10be12293849eb32e3dcd5e79961b4d954d53f0f355fc52a28aaa9e0cc90e94d
Markdowne51ae5da3146216da84aa454b7cdc8f75f650621881a6cc426f608f2fef18930
PDF
Publication page2d75959ebc9870bc41cfe0b04dc1a4cc046fbd8bd4c4b8a8c9b9f7fbdad6b6ba
Manifest8cd4a87fb18d3ef0183473c861e1c7345d967a1a84e33bc571f7646ad5c5ee3f

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
SignatureRQkfmuase4EDEfwWALi+QpOmngigcB+wI+vOkPJeniVx0zMBVeZ9FBfgItmN/usYL49MhD/Uu5Vaf4sklGZuDw==
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

2026-09-17T10:08:58.674286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077337
observed 2d75959ebc9870bc41cfe0b04dc1a4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.656990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077337/manifest.json
observed 8cd4a87fb18d3ef0183473c861e1c734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.638076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077337/publication.md
observed e51ae5da3146216da84aa454b7cdc8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:58.618657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077337/publication.txt
observed 10be12293849eb32e3dcd5e79961b4d9...
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.