OpenTechnical

OT-2026-000019249

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000019249) never changes.

Identity and time

Publication numberOT-2026-000019249 · never reused
Internal UUID01a0ae6e-f391-7a35-aaa7-47210dd1aaaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019249
StatusPUBLIC

Content hashes

Canonical text435457132762fa4b3bf18dfd297c49509ecb1c986a56f03f34f1b7a58ab60ff8
Markdown37846ca8c534ecc1e6d71262fc64ab0d76ef094d580e6cb97fd4928804310894
PDF
Publication pagee36bb38c04fd55e6709b0fcd4591fe50c7679df4967516ecff36bef5cc8f0c33
Manifest3fb4888231091d4c174b528b6d8a8be9a9219b5baeb6487397bcea49fc82b8cc

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
Signatureti9UQmtHsJXxGxKazpsAqRVXAVXjo7U0Z7Xe04KDmTjcjDBYmefxViDg9XgULgk7Myk4gnphNJBXCPC1Wx7HBQ==
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

2026-09-17T11:58:35.280579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019249
observed e36bb38c04fd55e6709b0fcd4591fe50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.261977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019249/manifest.json
observed 3fb4888231091d4c174b528b6d8a8be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.242758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019249/publication.md
observed 37846ca8c534ecc1e6d71262fc64ab0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:35.224401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019249/publication.txt
observed 435457132762fa4b3bf18dfd297c4950...
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.