OpenTechnical

OT-2026-000075982

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000075982) never changes.

Identity and time

Publication numberOT-2026-000075982 · never reused
Internal UUID01a0ae94-2a00-78e6-8981-a7a354f4a45a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075982
StatusPUBLIC

Content hashes

Canonical textca339c39e36789de1c05406ad006755b1495c790bbc2902a3afb7a0f7e8fd59f
Markdownc1ba0231ea4d3442b8ee0252bb9d6f2ccb3bd5cdedc0861e9bce0c18437eb00f
PDF
Publication page7e24f4a67411f1df6db18e76575a979c099ff8e820c1c66bf42043ce85bd1025
Manifest99ec1edf77954ab7069e073424ee8ede3391091e93f3ad4e0277662a30bcd613

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
SignatureRHoCvsT8vUhcmFAHnj1OCKjFkfcU4ib/FJXbYOGva4AAUcwnfT4cphoAnIc4Mg4DDWGH3s7b2QVRISPtnGPZDg==
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

2026-09-17T10:20:13.554822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075982
observed 7e24f4a67411f1df6db18e76575a979c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.535464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075982/manifest.json
observed 99ec1edf77954ab7069e073424ee8ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.515979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075982/publication.md
observed c1ba0231ea4d3442b8ee0252bb9d6f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.497031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075982/publication.txt
observed ca339c39e36789de1c05406ad006755b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.748898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075982
observed 7e24f4a67411f1df6db18e76575a979c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.728660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075982/manifest.json
observed 99ec1edf77954ab7069e073424ee8ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.706484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075982/publication.md
observed c1ba0231ea4d3442b8ee0252bb9d6f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:01.564216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075982/publication.txt
observed ca339c39e36789de1c05406ad006755b...
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.