OpenTechnical

OT-2026-000074305

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000074305) never changes.

Identity and time

Publication numberOT-2026-000074305 · never reused
Internal UUID01a0ae93-7179-7f3a-88dc-7490934c7b57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074305
StatusPUBLIC

Content hashes

Canonical textb99d30bfd380d3bad2ef1cf8ab44845cbb3f272c2559d8ecc337ff70e09c873a
Markdown770e015333343e20793ec37a90f1a6076e9a80b9f672936bd6166f1299d957ea
PDF
Publication page934d157276b1da7a5f49490828bb1a8d357c1c15b43a8f9da17ebad0e33f462b
Manifest82b91c7c96f97437f864f1c4bf7325284bec8591280cdea6f6315c7bc27e4366

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
SignatureyYzR7LyMjjpIJCeyHrMi7OsRPcaf8ianemMeOIlJJBGLoN9cWWdJAVRcCOQDNfWFBOfywIaBZRR7SqDHTN4bBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:12.911510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074305
observed 934d157276b1da7a5f49490828bb1a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.894335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074305/manifest.json
observed 82b91c7c96f97437f864f1c4bf732528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.876746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074305/publication.md
observed 770e015333343e20793ec37a90f1a607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.859340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074305/publication.txt
observed b99d30bfd380d3bad2ef1cf8ab44845c...
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.