OpenTechnical

OT-2026-000090602

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000090602) never changes.

Identity and time

Publication numberOT-2026-000090602 · never reused
Internal UUID01a0ae9c-7f2f-78ea-bcba-99717958e20d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090602
StatusPUBLIC

Content hashes

Canonical text17aab5d84202e3b21c3d8e85ca1ca738eeb1a893c077fe66462b9a2abf061309
Markdown1bbf96b4e72d19becf503c87fb3e21a70ea674e1005e0277a38fac6ddafda4a7
PDF
Publication page68569bfe759ab289b06f6ad57cb8885a49e20426f8aaa19fc4311961113e4c76
Manifest8cc57a5ae534f3552fe1415354a58c41c0024110b37409f4f63aa8155a3a2112

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
Signaturei0EnMVbt0ghHayuRZCVoxLW5ekUH8EwU38+hhLegSkBuGmPzMhI0PzDwyUI2beUq41AwAUjAAwmMPGGrjJswAA==
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

2026-09-17T09:44:47.260053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090602
observed 68569bfe759ab289b06f6ad57cb8885a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.243310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090602/manifest.json
observed 8cc57a5ae534f3552fe1415354a58c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.224584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090602/publication.md
observed 1bbf96b4e72d19becf503c87fb3e21a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.206530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090602/publication.txt
observed 17aab5d84202e3b21c3d8e85ca1ca738...
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.