OpenTechnical

OT-2026-000017209

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000017209) never changes.

Identity and time

Publication numberOT-2026-000017209 · never reused
Internal UUID01a0ae6e-76c7-7ff2-8e24-65b42ed5be2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017209
StatusPUBLIC

Content hashes

Canonical text56c27127a0fa6febd73b6b404cc30a559caca7cf754c0f18e7e06342c24f0a7b
Markdownd2a395988c4fd15502b19e116bd8f813ee3f2ade1573179f84e8029a4ed82d24
PDF
Publication pagef038400abe7a49d1c34dc60c20b783701224bdf78a49c149088c4f89f2e6bb76
Manifest3b4f6d1821fee428a3c2d307c0813590f9a854a57e6b12e9d0ae6d3fdd81e602

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
SignatureSMxHxBsjxFOJmIkLl1IPg0oiK7TfP7BJCMjcJClCPi7eo7K6VWbNuQ8EuBxQ61eYhfGNgCitNNc1pYTcYdhlDg==
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

2026-09-17T12:02:17.077659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017209
observed f038400abe7a49d1c34dc60c20b78370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.061391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017209/manifest.json
observed 3b4f6d1821fee428a3c2d307c0813590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.044337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017209/publication.md
observed d2a395988c4fd15502b19e116bd8f813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.027959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017209/publication.txt
observed 56c27127a0fa6febd73b6b404cc30a55...
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.