OpenTechnical

OT-2026-000017865

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000017865) never changes.

Identity and time

Publication numberOT-2026-000017865 · never reused
Internal UUID01a0ae6e-96fb-749a-8c07-7f3deea1b49d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017865
StatusPUBLIC

Content hashes

Canonical text60435da83a2b0dfce2d41fd0d81e9de333a101321c4b830199d520691f96a13d
Markdownc986ca2ef941b8a0a40b3b291f0b8b78adfaf3eaa6083afa063c22dccb0e34f0
PDF
Publication pagea1af3b5f3b3bba58fcc9dfb763cdee1c3cb2f6af336f8639adec5ed6025de25c
Manifest4bc076bbcdc25447a09d33468eb00b45b4f1eb7594e6d1449ebdbba7fde01e29

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
SignatureorZg9mGqtbbuWJOKLrJK8fVZBIlgZyA1y25PQX6h0HsagEA2w3pZZ0YauXDS1nqE3P6+tEFUUVR+uBxscUzkCg==
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

2026-09-17T12:01:50.984791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017865
observed a1af3b5f3b3bba58fcc9dfb763cdee1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.969051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017865/manifest.json
observed 4bc076bbcdc25447a09d33468eb00b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.951758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017865/publication.md
observed c986ca2ef941b8a0a40b3b291f0b8b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.934025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017865/publication.txt
observed 60435da83a2b0dfce2d41fd0d81e9de3...
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.