OpenTechnical

OT-2026-000035211

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000035211) never changes.

Identity and time

Publication numberOT-2026-000035211 · never reused
Internal UUID01a0ae76-6a1e-74ee-bf93-3eb0fab3c817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035211
StatusPUBLIC

Content hashes

Canonical text8091bed0602428e8ffd59f948018e17b7c781f2772f34b000bc628cdca117610
Markdown9805486851e9ba0776f0ac5367c9da093f7f33ee07f17c177434dfad8dad9dea
PDF
Publication page314db9135e34c596189185c0363d0a68c0cedd57cafe60e4bb92a3659cafd632
Manifestcfa87fa425f77a410e45744ba40df0b13e169ff2f869f3372c5aa8e99c7a7a76

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
SignatureW43tnI7UaSv2kqf7hau+Kb5QYLy68/TdLzuiVtm6pcAnbunG/xG1WdmxJgk1DcQowE38rsNrQ4k1FJ6zZw4bDA==
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

2026-09-17T11:28:20.440863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035211
observed 314db9135e34c596189185c0363d0a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:20.421493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035211/manifest.json
observed cfa87fa425f77a410e45744ba40df0b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:20.399045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035211/publication.md
observed 9805486851e9ba0776f0ac5367c9da09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:20.381876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035211/publication.txt
observed 8091bed0602428e8ffd59f948018e17b...
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.