OpenTechnical

OT-2026-000005005

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, pressure verified, contact triggered on the face

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-2026-000005005) never changes.

Identity and time

Publication numberOT-2026-000005005 · never reused
Internal UUID01a0a92a-bd64-75da-a390-9a56aab14d3f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:42:25.639732Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005005
StatusPUBLIC

Content hashes

Canonical textba238c04218f4127f2ba37f27a9fc9e8956b3cbf3312fc51dae4952bcc3211c2
Markdownfe6db7c568e238505210ebf95f796bbf3b708991fd27c295808b1a33f3eeac3b
PDF
Publication pagebf367225c2bb8eb48a521d349dca7b1b5f2c606add9e60eb61b6b46c3b3bf5a7
Manifest1dbcb4d4eb2805a3ec60e50218f70720a3e4067dbbb9e8a4e6beaba5a6962887

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
SignatureSiHwQHle33TGFkJkUBHicFPR4kg5qv/vboneg/pANkM+Q1LrDdpPeInpTHFvAvVfJajEn74DPBVD+yIMxP/rBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:25.884268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005005
observed bf367225c2bb8eb48a521d349dca7b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:25.871611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005005/manifest.json
observed 1dbcb4d4eb2805a3ec60e50218f70720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:25.729692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005005/publication.md
observed fe6db7c568e238505210ebf95f796bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:25.716132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005005/publication.txt
observed ba238c04218f4127f2ba37f27a9fc9e8...
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.