OpenTechnical

OT-2026-000078795

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000078795) never changes.

Identity and time

Publication numberOT-2026-000078795 · never reused
Internal UUID01a0ae95-ccbd-7a31-8b74-25d77a7a7730 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078795
StatusPUBLIC

Content hashes

Canonical text33bff14bea854ea32f73ae3f5eae7aecfc5225717fb53685c25bfc96ebdc873c
Markdown30f197d96755e0cd4997bf09954317faeb73d9b306adcbc5509fd0ff40cbc79a
PDF
Publication pageb5154abcdf4fd890eb0e9e4444b1f7c0584dbdd335f379a85570dade0da00716
Manifest433d88e4f5ee93926f6bc482b0359a5711974f8d184b6e52b14640522a2c90db

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
SignaturefyRrPb3077KBcSy5y7uEq4C3AwVC7hqjTB7oM/t+C+4b++u1YAWz2jJDyIQdEKy7QqqXdMubLnp8+AVLqgOiBA==
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

2026-09-17T10:05:35.118201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078795
observed b5154abcdf4fd890eb0e9e4444b1f7c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.099363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078795/manifest.json
observed 433d88e4f5ee93926f6bc482b0359a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.081318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078795/publication.md
observed 30f197d96755e0cd4997bf09954317fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.064484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078795/publication.txt
observed 33bff14bea854ea32f73ae3f5eae7aec...
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.