OpenTechnical

OT-2026-000005157

Publication integrity record

Vacuum cup gripper, four zone face, four outlet manifold, three stage ejector, contact triggered

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-2026-000005157) never changes.

Identity and time

Publication numberOT-2026-000005157 · never reused
Internal UUID01a0a92f-b5d8-7abf-87c0-5d68f12e8e1e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:51.387465Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005157
StatusPUBLIC

Content hashes

Canonical textf4e72fbda51684c474b0fc9d2a5f858f238ad536109b47158a692963f67e4cba
Markdownc4a827b1e594b4bc98c7f5d6a1bac4ac874cc7229d159e3f273662e109cb5bc0
PDF
Publication pageb50793648f2a9fa2951908a9922da9b66de7ed81a803bf823871d345a87c90f0
Manifestcc8261ff0b5f0c032cba672d9f6db3fddfb97af0e27e2db2a200f97852c71dfb

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
SignatureAirAELHSl/dnAOEG/YNLZKGw4c/k1/9ZiI8sr68mgNvp3jE5nJIzmPE9Cv0WZ1jQJnl6OLAGF2z12bvEXnahAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:09.170521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005157
observed b50793648f2a9fa2951908a9922da9b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.151545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005157/manifest.json
observed cc8261ff0b5f0c032cba672d9f6db3fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.138607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005157/publication.md
observed c4a827b1e594b4bc98c7f5d6a1bac4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.123965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005157/publication.txt
observed f4e72fbda51684c474b0fc9d2a5f858f...
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.