OpenTechnical

OT-2026-000050373

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000050373) never changes.

Identity and time

Publication numberOT-2026-000050373 · never reused
Internal UUID01a0ae82-5c47-7558-bc8f-4beb005ec07c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050373
StatusPUBLIC

Content hashes

Canonical text6a0c06c9bd3bd0d2f5d1f5267d9528fa2ee8f595841ad72e36cbd668f9ed1874
Markdown78ae7a6eff4cb82919208f1085ea6d0c09c081ec785f6bcaaacbb8973d2f01c2
PDF
Publication page198cbade58c5b860e01759e5dced16e5f014033ea5b0a1e73483383dfb9def06
Manifeste586ab1b5050cbaae7afb7ce753903ea30b4bab5cabdb08a4ef13bc683d32c44

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
SignatureoBbmT7cTHkjm5A9v4bBg0dnesXrOJTksxFMnS9dO0zpKpatpJDj+7Nnemu4zJFX6KZdOJHwhdbrUl8Cvw/eqAQ==
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

2026-09-17T11:01:24.461318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050373
observed 198cbade58c5b860e01759e5dced16e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.444699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050373/manifest.json
observed e586ab1b5050cbaae7afb7ce753903ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.428870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050373/publication.md
observed 78ae7a6eff4cb82919208f1085ea6d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:24.410906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050373/publication.txt
observed 6a0c06c9bd3bd0d2f5d1f5267d9528fa...
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.