OpenTechnical

OT-2026-000091245

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000091245) never changes.

Identity and time

Publication numberOT-2026-000091245 · never reused
Internal UUID01a0ae9c-f16c-7a39-831b-cc8a49fca136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091245
StatusPUBLIC

Content hashes

Canonical textb4bfff1e3052f2c2fef61638d76f99ede4f7f43367e18d742f7c33c6a1f5260d
Markdownc1b6a4b30c4a72e65345cdf5bdc262186f52e035ae48de32628fd535624f1bee
PDF
Publication page110b96cc2e82a222b8badf5168226f3f1f6e523fdb5c7770421ef3d899bced68
Manifesta299cef38b3c8742368678ad28cae46fcfbe802e77f18766380467158082c89a

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
SignatureGFaDQjlCl4u4+5Q2ON+0b4wN3qq/AGmRL5DR+5zUxxhUpk/z76zDz+JdRaAb30QqcjzHGt9K0CrUPO0OYcQhCQ==
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

2026-09-17T09:43:25.216432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091245
observed 110b96cc2e82a222b8badf5168226f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.199594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091245/manifest.json
observed a299cef38b3c8742368678ad28cae46f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.182114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091245/publication.md
observed c1b6a4b30c4a72e65345cdf5bdc26218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.165772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091245/publication.txt
observed b4bfff1e3052f2c2fef61638d76f99ed...
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.