OpenTechnical

OT-2026-000067111

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000067111) never changes.

Identity and time

Publication numberOT-2026-000067111 · never reused
Internal UUID01a0ae8f-14ff-7793-8e8a-07d9b4fda9d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067111
StatusPUBLIC

Content hashes

Canonical text1be1a5286567f84db4b00fcedd83b588cc46a40e64cce79d968a9c425a1facc2
Markdown58ed0dd40a93b3a80b72b6f4214fe309cb83981baa8209b4718c0bff52645bf2
PDF
Publication pageac863f08713e040020d413d3e8ef60deb9306833e1572301d5d853da9997ff11
Manifesteab361743aa2445697c07211d9d527c266f63a88612b0596c7e94a472086e3ac

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
SignatureHY0FGKF6wjORr0FrDAC8jZM2zbLCbAVF38tnL5xruF+55dPQySvLJL/+Uf9NqQMVMNQ+b3NHXZ/L277mrXfvCA==
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

2026-09-17T10:32:22.847824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067111
observed ac863f08713e040020d413d3e8ef60de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.829184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067111/manifest.json
observed eab361743aa2445697c07211d9d527c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.810318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067111/publication.md
observed 58ed0dd40a93b3a80b72b6f4214fe309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.792651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067111/publication.txt
observed 1be1a5286567f84db4b00fcedd83b588...
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.