OpenTechnical

OT-2026-000045223

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045223) never changes.

Identity and time

Publication numberOT-2026-000045223 · never reused
Internal UUID01a0ae7c-f769-7d4d-89fb-b8d29512efb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045223
StatusPUBLIC

Content hashes

Canonical text2bf0d5fe25e49b09254fccf825dd66ba7e376df1b80e93a88d969e0a311d1bb4
Markdownbbeb23c9ada7e6f1975aa93ecb58b2996470951ffcc1cd6e31e34ed011fc0eaa
PDF
Publication pagece0a2fef71c036e90c793d0b4bf85e34395e1d5c150b34ccadf5d71cc85575cd
Manifest0db74ba1d5ccfca7a74660e6c8bbafc9acd4b477d9335209cb26d3c19c61a04e

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
SignatureYDYRnA9m5jkqynZt2pZ8VA34+dMVO33X6+ZKx0H9vcFr2dW5NiAbnsn2wvk2hHqIWzSr4UZR5LyrE934udaODw==
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

2026-09-17T11:10:24.983397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045223
observed ce0a2fef71c036e90c793d0b4bf85e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.965351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045223/manifest.json
observed 0db74ba1d5ccfca7a74660e6c8bbafc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.946259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045223/publication.md
observed bbeb23c9ada7e6f1975aa93ecb58b299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.928361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045223/publication.txt
observed 2bf0d5fe25e49b09254fccf825dd66ba...
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.