OpenTechnical

OT-2026-000031182

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed 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-2026-000031182) never changes.

Identity and time

Publication numberOT-2026-000031182 · never reused
Internal UUID01a0ae74-87ab-7302-8be0-2a73851a25f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031182
StatusPUBLIC

Content hashes

Canonical text074c960cb3345371c0759228d1f29178932b4ca48c2068ed69b69fe7d5542df1
Markdown43a1039e2e9663fad53360ec624944e4a260c8dab6545fbc7536de29b3b22a7d
PDF
Publication pageca02f09dec81abd8d62f7c26112f57472182dead7b228368713eb4fa309c63fa
Manifestd88ed50e9c1aabc22889cbdda83d84506af367cc230177abf361a2940672b39b

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
SignatureksFmO682+nCTSVUcURsDM4eCmF1JoYNaFlYLwx4euiAtGD/3IoCH1bWlricbKpOfcxk3AfydagSGBQrwpnesCA==
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

2026-09-17T11:35:44.243417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031182
observed ca02f09dec81abd8d62f7c26112f5747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.224526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031182/manifest.json
observed d88ed50e9c1aabc22889cbdda83d8450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.205801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031182/publication.md
observed 43a1039e2e9663fad53360ec624944e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.187172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031182/publication.txt
observed 074c960cb3345371c0759228d1f29178...
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.