OpenTechnical

OT-2026-000068529

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000068529) never changes.

Identity and time

Publication numberOT-2026-000068529 · never reused
Internal UUID01a0ae90-2482-7cce-877f-0a1f8ded7a22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068529
StatusPUBLIC

Content hashes

Canonical texteab730a6db2b073c9117bc7dc489c27dd82e4658c2fdbb3b93f00a04dc6a3d4c
Markdown311a991bf44d6caf85eb3e15108524a2d098092e6c09c8899d332f3fa9b050a4
PDF
Publication pagedeed8ea2381bbc1d77efbfe2cbb1c89bb3a0bc7e405dc7be16ec21b0a2fff87a
Manifestf3c133ed51f0f5e4e250fc81ee5b20b3007a30522d8ce7c8cb0e2f7d51ec69e3

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
SignaturexjcBQBsdGgu685AVwLPNwzYPffDHsmcQwl7NzwG/kd+9orShd4l+iOkzuhGZO8nTj7zgZeJcCRclzA8L1sSTDw==
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

2026-09-17T10:29:41.434032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068529
observed deed8ea2381bbc1d77efbfe2cbb1c89b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.416963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068529/manifest.json
observed f3c133ed51f0f5e4e250fc81ee5b20b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.401226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068529/publication.md
observed 311a991bf44d6caf85eb3e15108524a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.384667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068529/publication.txt
observed eab730a6db2b073c9117bc7dc489c27d...
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.