OpenTechnical

OT-2026-000005033

Publication integrity record

Vacuum cup gripper, common isolation valve, plant vacuum fed, pulsed blow off before set down

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-2026-000005033) never changes.

Identity and time

Publication numberOT-2026-000005033 · never reused
Internal UUID01a0a92b-b2db-77f6-96d0-114eaa8eb30a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:28.478480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005033
StatusPUBLIC

Content hashes

Canonical text8e9eca1c2c880f057a7372a8d74847d4c84b04876155f3adcc6a9fff765a9134
Markdown5622ce21d76d5f279e7989ba84387588df9bbc2d1ae0531477081eff2c2e5380
PDF
Publication pagea682a28a66956d18bb5d7d378a35a5a101abd3dbbcbfe46639778c20eea59d62
Manifestd036925d6e4d530f780cb65852735a1b5807f1166ab76fff77cd4e852f150492

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
Signature0bCnc7Y2ZjQsJ07N1U3DChw0HF09Iz+Zo/eBvgeUadJEUg1OaVM5fm+ja5QXKcJlN9ik0u9h+iT8vq4gmRBgBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:22.735718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005033
observed a682a28a66956d18bb5d7d378a35a5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.720200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005033/manifest.json
observed d036925d6e4d530f780cb65852735a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.703113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005033/publication.md
observed 5622ce21d76d5f279e7989ba84387588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.687378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005033/publication.txt
observed 8e9eca1c2c880f057a7372a8d74847d4...
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.