OpenTechnical

OT-2026-000086731

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000086731) never changes.

Identity and time

Publication numberOT-2026-000086731 · never reused
Internal UUID01a0ae9a-2c99-7111-8f64-eb44a560403f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086731
StatusPUBLIC

Content hashes

Canonical textc42cad12d7b47ff20a097295f4ddbe2550dbe04200c68e4b14b35723b734129f
Markdown8cb9b85cc97031247c4a9fc4a3a0de71165a716a3303784c70745aca805c71a9
PDF
Publication pagef54747824b04ed6b01e540296dafb561eb8194d613624c6ee51ac8d0cceb1a5a
Manifest8499d9a82096c4b2a82f3c67d0d48806201a1e5424f8785dbbe995ffbd312671

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
SignatureltwEMXvPGwafsGjw5t57LT3TwvnkGcpwgxLVoXIwT7k+XElKER6yhBa/0f+E9GtWh4CCTqGNxksFX6dA6+WPCg==
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

2026-09-17T09:52:36.605447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086731
observed f54747824b04ed6b01e540296dafb561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.587278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086731/manifest.json
observed 8499d9a82096c4b2a82f3c67d0d48806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.570493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086731/publication.md
observed 8cb9b85cc97031247c4a9fc4a3a0de71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.551361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086731/publication.txt
observed c42cad12d7b47ff20a097295f4ddbe25...
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.