OpenTechnical

OT-2026-000005926

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000005926) never changes.

Identity and time

Publication numberOT-2026-000005926 · never reused
Internal UUID01a0a949-6e1c-72e4-8faa-de003d6ac47c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:15:56.958929Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005926
StatusPUBLIC

Content hashes

Canonical text266ed49cd55750bcd2e18a3531850ca29dd069a980f095219aff74d9d04b514c
Markdown49f1e9b8aeb2dc200b77d473b85ccae792748ba23824ff0a304b9e88eab923fd
PDF
Publication page392e54c0f9b8065cd1e76bbdda5f2b023290a65cb1dba7e08a19495a812e35d4
Manifest6835a018968af0b5915d032172f801b18bfee74ea567d906927fb0108b32ebd1

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
SignatureIQ4X18LdeHdPFeZjDa0jTeeYxEnWddvRVzh6qzaNgqyyWxGrE1hwkWgGp7DgDygkEPiE1BlrHFkLb1S7fs61DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:16.657573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005926
observed 392e54c0f9b8065cd1e76bbdda5f2b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:16.642047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005926/manifest.json
observed 6835a018968af0b5915d032172f801b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:16.623210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005926/publication.md
observed 49f1e9b8aeb2dc200b77d473b85ccae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:16.482828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005926/publication.txt
observed 266ed49cd55750bcd2e18a3531850ca2...
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.