OpenTechnical

OT-2026-000080263

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000080263) never changes.

Identity and time

Publication numberOT-2026-000080263 · never reused
Internal UUID01a0ae96-7e77-7640-9692-72effc4ed033 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080263
StatusPUBLIC

Content hashes

Canonical text693a61c1e893818c44de2c725548471066edd521751092c17b0ff8b4d60efef1
Markdown78e56395ef56470a4695a9d85cb9dc5514551f09ebb17703df56fab68d403654
PDF
Publication page6c6121447bca9ff1df66d32d69541fafa696668f513220db8beea1b42999b0f9
Manifestc4d694fd6a0f8136265e35fa1184afb7d0bc6559770213cc273d7b09c3f1eac7

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
Signaturefn57H0OS74STtxlS7bcX0IZNRULRItP6ZMH4/LzbDBrOXj+WbC9EqrjY/JKXktk/uVwndFM9Y7rf4vuKg/QqCA==
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

2026-09-17T10:02:33.760080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080263
observed 6c6121447bca9ff1df66d32d69541faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.742651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080263/manifest.json
observed c4d694fd6a0f8136265e35fa1184afb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.725052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080263/publication.md
observed 78e56395ef56470a4695a9d85cb9dc55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.708684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080263/publication.txt
observed 693a61c1e893818c44de2c7255484710...
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.