OpenTechnical

OT-2026-000077345

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000077345) never changes.

Identity and time

Publication numberOT-2026-000077345 · never reused
Internal UUID01a0ae94-f509-7963-9fd5-064772759b04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077345
StatusPUBLIC

Content hashes

Canonical textc38ef0b41155d0551d93d171eab73c01d1efc114b33eb79a281f135cbbb9f851
Markdownbf4b9812e2e2f4a58e37710c67bea8ece32de7334ed0891e58ab54dc7747785b
PDF
Publication page4f8adde9fe644beaefeec984e9c72c81f38a83005f3bb343fb893c79f6a592f3
Manifest03f0fa3fd3556ffad8c76d9fbe39295d7b1267e0a7db0a81edf60aac44747a1e

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
Signaturetj+sro7R2Vuq06FaSao0HiS1Y6LBx0FSicxXL4kVJBuBBTtF7bTBoCkD/bSJK0EZC6zJ0z/+TGgptoMM0YSgCQ==
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

2026-09-17T10:08:59.180220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077345
observed 4f8adde9fe644beaefeec984e9c72c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.160633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077345/manifest.json
observed 03f0fa3fd3556ffad8c76d9fbe39295d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.142047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077345/publication.md
observed bf4b9812e2e2f4a58e37710c67bea8ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.122923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077345/publication.txt
observed c38ef0b41155d0551d93d171eab73c01...
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.