OpenTechnical

OT-2026-000099257

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099257) never changes.

Identity and time

Publication numberOT-2026-000099257 · never reused
Internal UUID01a0aea2-8289-7209-ab78-c04ce13cf1eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099257
StatusPUBLIC

Content hashes

Canonical text5a5ad25562077bc845f63684ea2e7365fe538db26c9a41684d24ef8b1f2f1dee
Markdowncab6e77432ae74c271a2b20e2fb1e0a3e9be507d5c8b045416c6c56a3175eca2
PDF
Publication page27265b6628eaeb3e74d6e07ab1f1a0b4adb7e9912271a4e18eb4075ba89b1089
Manifest708266bd370dea16030da27fb79c637927470b0fb0bd41bddad13c67f2639e31

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
Signature4fxYCjUG6OssTWXeLRzLbk5BWiwOhY5LV7es36zJLTz/aAeYihRSyYBIGwW1676BXA4hGVgAU9pirb5wzSW/DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:42.033357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099257
observed 27265b6628eaeb3e74d6e07ab1f1a0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:42.015331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099257/manifest.json
observed 708266bd370dea16030da27fb79c6379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.995014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099257/publication.md
observed cab6e77432ae74c271a2b20e2fb1e0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.977692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099257/publication.txt
observed 5a5ad25562077bc845f63684ea2e7365...
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.