OpenTechnical

OT-2026-000038188

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000038188) never changes.

Identity and time

Publication numberOT-2026-000038188 · never reused
Internal UUID01a0ae78-2d50-7b43-9588-adf7fd196a95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038188
StatusPUBLIC

Content hashes

Canonical text02b6f955c3bdc9f0c7321005b37f5ae1482b7d4316538c9d4e564cc21f131164
Markdownffc6c6f55e71c3c5e40a3838cf7f247c85e968bda353503b9cddb9dc3cf576e2
PDF
Publication page58346ce472e400b1def58a151f3061e284d3cd8a079a6c989cc6204a6bd14ce6
Manifeste36345aa497baa4828c4855b6970eca5f042bfb13df1ef5aaf586125c8ab1f22

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
SignatureTXbHHci0tyM2bYpvbztHHUmjp+h5BDUGnGiuJTxheqogR++cIULUTB9ch4RS4pPlH1NGsA8RZtjBSVksaRvjAQ==
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

2026-09-17T11:22:18.890853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038188
observed 58346ce472e400b1def58a151f3061e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.873305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038188/manifest.json
observed e36345aa497baa4828c4855b6970eca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.856713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038188/publication.md
observed ffc6c6f55e71c3c5e40a3838cf7f247c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.840163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038188/publication.txt
observed 02b6f955c3bdc9f0c7321005b37f5ae1...
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.