OpenTechnical

OT-2026-000051419

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000051419) never changes.

Identity and time

Publication numberOT-2026-000051419 · never reused
Internal UUID01a0ae83-7c7f-76b6-a559-23d004f144b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051419
StatusPUBLIC

Content hashes

Canonical text21fa02689082d2b1de26c7074693135b6685e655bbca5d2ba12ca8ef8745eba7
Markdowneb2ca910cd0c853cde2769d6a28573fe8e17c3187a44a87877707d942d1fe199
PDF
Publication page15bdc7543c7d4feb2ff9367c38e6f485269eb5592e56ac3249650a843681e661
Manifest4a70be4a9b561246b3efde0c2d3952be984df6cc1b339097cbf3b45d6c05784f

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
Signaturen7zYJ7TpSNq5hlPfycYpFj4XvMO33x3mwQAd/t6KUm7qqshiIYYl6Gg2GZinShymanCtV1TYp3DsTMmJWkUhCQ==
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

2026-09-17T10:58:08.126686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051419
observed 15bdc7543c7d4feb2ff9367c38e6f485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.108550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051419/manifest.json
observed 4a70be4a9b561246b3efde0c2d3952be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.090147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051419/publication.md
observed eb2ca910cd0c853cde2769d6a28573fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.071420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051419/publication.txt
observed 21fa02689082d2b1de26c7074693135b...
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.