OpenTechnical

OT-2026-000030590

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000030590) never changes.

Identity and time

Publication numberOT-2026-000030590 · never reused
Internal UUID01a0ae73-e505-78cd-af24-bbe74981b71d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030590
StatusPUBLIC

Content hashes

Canonical textcacaaa9d09e0d10fe5e2293b5ff20f67bca6679a5edd02d7a81e97dbf1efb024
Markdown4e5cee40449de191300c2a7d52e690cdcec03bf2651e13821f14e4793444a3c6
PDF
Publication page5a050ee9cd2a2304e57c0945f77a445cd64e64af1fee8fb7e94673fef6fb146d
Manifest6963ec8483d072a5ad51cf2fca0474a7301d070178f7c2e2292bfd0c4e79b399

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
SignatureC3fHo6j7AUKMy8AWhFphDAmGJu+nFlpKiscDFAGHSRFCZHBE7vVTELwvDBHWMbevLkgO7vo5GRtDeJvZnOFDBw==
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

2026-09-17T11:38:28.037844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030590
observed 5a050ee9cd2a2304e57c0945f77a445c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.019662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030590/manifest.json
observed 6963ec8483d072a5ad51cf2fca0474a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.000592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030590/publication.md
observed 4e5cee40449de191300c2a7d52e690cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:27.983145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030590/publication.txt
observed cacaaa9d09e0d10fe5e2293b5ff20f67...
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.