OpenTechnical

OT-2026-000022798

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000022798) never changes.

Identity and time

Publication numberOT-2026-000022798 · never reused
Internal UUID01a0ae70-46ea-7c8a-bb61-7543f9b2c5f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022798
StatusPUBLIC

Content hashes

Canonical text0fd497b80943d262854c87442e33b15cca2716203439755ebbfd54f8b5fff0f4
Markdown82be3d63779e90b9f4c7d343212acb92fdb9569087101278bf60ad6216bd6b8b
PDF
Publication page5ec95cc1f959dd216d9597b5a8f28c78fd7c10c703e461ce4ad64e4a77ecad7d
Manifest0c8aa0176f241d9a7a160ecb8643c3603f1a356373a9bf7c95d8a98a7555a92d

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
SignatureZkr6p0ce3P2NqOrHUlszrMgsnKZS2PdwfGNK+NckleFsiWSAuRiD9cM7pbheMLyvSip+wAEyo2GAHmK2zOsLAA==
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

2026-09-17T11:52:19.261766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022798
observed 5ec95cc1f959dd216d9597b5a8f28c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.244745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022798/manifest.json
observed 0c8aa0176f241d9a7a160ecb8643c360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.227393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022798/publication.md
observed 82be3d63779e90b9f4c7d343212acb92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.209669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022798/publication.txt
observed 0fd497b80943d262854c87442e33b15c...
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.