OpenTechnical

OT-2026-000097734

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000097734) never changes.

Identity and time

Publication numberOT-2026-000097734 · never reused
Internal UUID01a0aea1-92f5-78f4-8263-9e40fb8dc1d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097734
StatusPUBLIC

Content hashes

Canonical text18c5e3a0cefcd9b1b7c87578308d6427e992643eeafc6329c45282368ebde10c
Markdown17ff5cbefc30901660d6024afeb773c03ae1c9ef446dc2c1c3f817917d51feda
PDF
Publication page3e9b585d481222cd78294d57b36dcdda1e3982b2954c8fbd8486154055978676
Manifest9006ae154a066916555d6c074de1c74df734c27fd451465bda64db90c85f0b10

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
SignatureWT2WU8Y3bVUR/MYr9m9p6+DOfuMz+pr89RUUJP0b1XfgfYZ7TgWOdJXHHyZmkTCxw+/ZII6jPqak6KKKSngdCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:46.599568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097734
observed 3e9b585d481222cd78294d57b36dcdda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.571624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097734/manifest.json
observed 9006ae154a066916555d6c074de1c74d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.543254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097734/publication.md
observed 17ff5cbefc30901660d6024afeb773c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:46.515236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097734/publication.txt
observed 18c5e3a0cefcd9b1b7c87578308d6427...
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.