OpenTechnical

OT-2026-000059696

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000059696) never changes.

Identity and time

Publication numberOT-2026-000059696 · never reused
Internal UUID01a0ae89-ec24-7e43-a890-e77950b82fce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059696
StatusPUBLIC

Content hashes

Canonical text0fb5b2b78414e79f0c6f6fe898c2b343eb613bf399ae2ca08aec5dba3e3856d7
Markdown80c619a0d7078344ceea483af19cc5c5c8e6a5cffc5acf4e8d18efa40c50769b
PDF
Publication page495dce9cdfda0cba773b3819489cf8be49e53be99ec3abb95e29f9f92ec4dc77
Manifestef955ee96c1be259dbfb24077e0fc837364e7aedf7514cd31ded6804aa0bce2b

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
SignatureYxWZDNZkSGMtqxzLRVUoGyHMRnc9C5h1KCsZAQ5d8CVWFNRX2goaGitvM7kO+rTAJaLxSiL2zpYqi99w7S9YAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:24.277082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059696
observed 495dce9cdfda0cba773b3819489cf8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.260353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059696/manifest.json
observed ef955ee96c1be259dbfb24077e0fc837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.243003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059696/publication.md
observed 80c619a0d7078344ceea483af19cc5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.224276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059696/publication.txt
observed 0fb5b2b78414e79f0c6f6fe898c2b343...
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.