OpenTechnical

OT-2026-000097069

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line 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-2026-000097069) never changes.

Identity and time

Publication numberOT-2026-000097069 · never reused
Internal UUID01a0aea1-01c9-7d30-8abe-28f55efabbb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097069
StatusPUBLIC

Content hashes

Canonical textf79ecf7522a6b8b63ea5e38016ee74d5785de877bb2e6bb995ba0b84f1973c09
Markdown8bb861a044fbd8ee03cfca26925f94d751b7406bec88becc65b6162cd6410213
PDF
Publication page5415f0de7c1875fe973e9f0707e2384a5c1e812159caac8fbb521f86ce842e93
Manifest3031cd147a1a77403b503d63df48e739f312f292603fb54bfccd0c7818d9e793

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
SignaturewjblQ8DMVryN5Q9J7MOm5yFgnFIPwMoDfctO+QFcAt+b5ndeBN4Ns5EW7nh6N3OufUTxvJgBWiqA5kUWrIbtBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:38.604805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097069
observed 5415f0de7c1875fe973e9f0707e2384a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:38.587831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097069/manifest.json
observed 3031cd147a1a77403b503d63df48e739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:38.451713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097069/publication.md
observed 8bb861a044fbd8ee03cfca26925f94d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:38.433120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097069/publication.txt
observed f79ecf7522a6b8b63ea5e38016ee74d5...
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.