OpenTechnical

OT-2026-000050486

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000050486) never changes.

Identity and time

Publication numberOT-2026-000050486 · never reused
Internal UUID01a0ae82-5c48-70f1-8b32-0669d10c102d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050486
StatusPUBLIC

Content hashes

Canonical textc91db626332204cf548dc0e74a2e91b387665de944d7fa014081b240f06357e9
Markdownab54ca89c2c69efc814caafb59e0b68807bac1375e3e94c29ecba75921740888
PDF
Publication page08823e0abe9e793db7d307bb5a57c231ee3eb3475ba95ba41a19e347647ff818
Manifest6e50ed12bd7b7920c354a929cb0a371064983a0de7a591044f91992c9b247740

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
SignaturekWsWD63pEhpbx9aF2RwWCvVrekJjGbktvXkcL1AyEtyRzKlgU08++ehqWfa3I7ZiRGbLTLLYmpyzkxiEbaBaAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:32.497857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050486
observed 08823e0abe9e793db7d307bb5a57c231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.481409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050486/manifest.json
observed 6e50ed12bd7b7920c354a929cb0a3710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.464678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050486/publication.md
observed ab54ca89c2c69efc814caafb59e0b688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.449014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050486/publication.txt
observed c91db626332204cf548dc0e74a2e91b3...
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.