OpenTechnical

OT-2026-000053351

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000053351) never changes.

Identity and time

Publication numberOT-2026-000053351 · never reused
Internal UUID01a0ae85-0a16-7cee-b178-6e8591390236 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053351
StatusPUBLIC

Content hashes

Canonical text8f8e44aab8911bd9b4a244d024ecf252e6ee4c0a39ffa47476dd01a01e5c54d8
Markdown4aeca43ac6dc7f714f625642ae9824fe9cade168f0c1a952d00516b2df1f7ef1
PDF
Publication page67ce6a0a5bbbe797afee4a5cecc351ba005344b99539ec66d22958351d60a91d
Manifestcb48a017a4ff77433710123e26327c49e6bffe846a1c2cd067bd72e0a9c89aeb

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
SignatureJm7+sChp4TZBFNHbikZN7ykqgB8Zsn8Pfg2AiCsl6THfdUwkkLTieEXDTVG46mo0vz818t4MInTcorE8PnU9Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:03.729035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053351
observed 67ce6a0a5bbbe797afee4a5cecc351ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:03.711439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053351/manifest.json
observed cb48a017a4ff77433710123e26327c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:03.693800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053351/publication.md
observed 4aeca43ac6dc7f714f625642ae9824fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:03.676318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053351/publication.txt
observed 8f8e44aab8911bd9b4a244d024ecf252...
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.