OpenTechnical

OT-2026-000097209

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000097209) never changes.

Identity and time

Publication numberOT-2026-000097209 · never reused
Internal UUID01a0aea1-01ca-77d1-9e7b-12f3d5b6dc11 · 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-2026-000097209
StatusPUBLIC

Content hashes

Canonical text4ca5e80fe052252eafe12a535a23417fce2b41dc42bf276d18dc0b5ce9793289
Markdown3ed5535616f77c87afaa09fde3fbbae6c1c2382538e634737162ffa3ad5638f5
PDF
Publication page8cf956ccb9098517281bcc954c01fecd1b3bd581f6da1b749e8a145bdec2612c
Manifest6859452ed6ac1349ca7916b02cd693826d89d20dc5a6d182c1684a212e73ae96

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
SignatureY8gCUYbomoVokPFJOl1+4Z140CbblaNjQXpDUflEEqKAAn/Q2L9zXQ24G1RiUmGdkeJwDWvv+ejJuquRQlHJCQ==
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

2026-09-17T09:33:27.131566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097209
observed 8cf956ccb9098517281bcc954c01fecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.112477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097209/manifest.json
observed 6859452ed6ac1349ca7916b02cd69382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.095769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097209/publication.md
observed 3ed5535616f77c87afaa09fde3fbbae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.079751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097209/publication.txt
observed 4ca5e80fe052252eafe12a535a23417f...
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.