OpenTechnical

OT-2026-000019630

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000019630) never changes.

Identity and time

Publication numberOT-2026-000019630 · never reused
Internal UUID01a0ae6f-1fb3-7b79-8e5d-9841f6f67643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019630
StatusPUBLIC

Content hashes

Canonical text4d79de0085bddf926b2a1b7c88028dc0a12559944dcd2a734228aa267d848835
Markdownea205ef3abc7ec040c893c5cd08a41682265b78e2acfa0bce3a55056c4d2944d
PDF
Publication page46e484c04bde7593214174d010eda83470497efd9cc9f702b62fa341f6215987
Manifestd9421d4b8a5134bda81a9a6098e211a2d085f96db358dde5a6448712a1677b3f

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
SignatureKyfTrx+SqydiM2WUm4xeFbvNti2fOYfsxmPE11YxXZLSeZls1E9s7FmN4DCFHIrasbgxgIp2B33p4GQ1y7nYCQ==
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

2026-09-17T11:57:41.179221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019630
observed 46e484c04bde7593214174d010eda834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.160341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019630/manifest.json
observed d9421d4b8a5134bda81a9a6098e211a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.142413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019630/publication.md
observed ea205ef3abc7ec040c893c5cd08a4168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.122957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019630/publication.txt
observed 4d79de0085bddf926b2a1b7c88028dc0...
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.