OpenTechnical

OT-2026-000091640

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091640) never changes.

Identity and time

Publication numberOT-2026-000091640 · never reused
Internal UUID01a0ae9d-43b8-7624-bd58-ed49c7460d27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091640
StatusPUBLIC

Content hashes

Canonical text79c51a30c78d46a3f762d57faa7779f1e8c8537291d0a46dbd196755d0650572
Markdownc70e6308493c49003650c9189cfae782375b51809cff9bc98b5690fdba576a40
PDF
Publication pagec192ed57199246213e68e1dd3500b848c70b63fe87b39910b5d2d86694244f8f
Manifest0a3b0cb2d6a4fa83d62318038fee8ab2f92abc29d099bfdf731697e4141127ac

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
SignatureUjdbPhYZzE/+Ljw2eOeT5mRy7rE07sbh4c0WwUIPBMj8jymKCDS2kp19ZX3KFuf5LnxrZVP1Y0qFHFisHKX/AA==
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

2026-09-17T09:42:00.443741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091640
observed c192ed57199246213e68e1dd3500b848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.424607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091640/manifest.json
observed 0a3b0cb2d6a4fa83d62318038fee8ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.406016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091640/publication.md
observed c70e6308493c49003650c9189cfae782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.385773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091640/publication.txt
observed 79c51a30c78d46a3f762d57faa7779f1...
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.