OpenTechnical

OT-2026-000046415

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000046415) never changes.

Identity and time

Publication numberOT-2026-000046415 · never reused
Internal UUID01a0ae7e-57dc-7adc-9273-ea293022172f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046415
StatusPUBLIC

Content hashes

Canonical text9d5533d9f2829a95f5d0515ecb885db8dda09f06b979a3015c032c7e8b901187
Markdown41e0181872a672560a0ed73a3b9f23c05d16577bd27c33fb7d23152393ac0e0c
PDF
Publication page30e7f1cd240fdc78842cb3745de021846ca15dfebd3ffc396d322f17586c89f9
Manifesta5d485faaf9b234b35176bf28ee170e9074f63ebc7d50990bb802dd18dd92c4c

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
SignatureDK0aObiAXkVUvtvpgWfcE/QL14Y+VHNgQTZmLmElQEsoPxuVkFMh0kWefIBHgOb4q6Bf1ScBnv2Q1Ygdy57UCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:25.583204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046415
observed 30e7f1cd240fdc78842cb3745de02184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.564689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046415/manifest.json
observed a5d485faaf9b234b35176bf28ee170e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.548162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046415/publication.md
observed 41e0181872a672560a0ed73a3b9f23c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.529785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046415/publication.txt
observed 9d5533d9f2829a95f5d0515ecb885db8...
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.