OpenTechnical

OT-2026-000101402

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000101402) never changes.

Identity and time

Publication numberOT-2026-000101402 · never reused
Internal UUID01a0aea4-0e13-7a5e-a658-ac6556470554 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101402
StatusPUBLIC

Content hashes

Canonical textc13e8b7197d150e3034c1bd1997d7c104e3a887ca4d794fbac2563dc3423e745
Markdownf10244e60dea5a80552df0b8270280ca2f81e6f0399e57147de4a5670aafc25d
PDF
Publication page5b6ae6913a4a9010f094afab9622fe6ac895836fed01563f3608ed1c6ef0f18c
Manifestd74c42937353edf9df9a7f61e5fd30c29441f357d2e5ccad2988c85123f6c4ad

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
SignatureDWA4bH801prJI6RY1W73uLPNzL4Lmymke4W0jlcX9oNgngV6YECIm+d5D2On/eO5zA2j3bAbzFmrb88RGGXHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:56.407200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101402
observed 5b6ae6913a4a9010f094afab9622fe6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:56.388508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101402/manifest.json
observed d74c42937353edf9df9a7f61e5fd30c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:56.370931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101402/publication.md
observed f10244e60dea5a80552df0b8270280ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:56.350634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101402/publication.txt
observed c13e8b7197d150e3034c1bd1997d7c10...
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.