OpenTechnical

OT-2026-000068991

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068991) never changes.

Identity and time

Publication numberOT-2026-000068991 · never reused
Internal UUID01a0ae90-6dcd-7f98-85ab-5661be7e8da1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068991
StatusPUBLIC

Content hashes

Canonical text99e1548df3ff534d5d85821919c926c6492842b32a500eee1b314574e58a35ce
Markdowna5fc174e949814566a23c1fb7069ff189eeea7a7dc162c265d8a058a2fc642b6
PDF
Publication page94777d276f6311a8a4ba616eed40f55e2d89785426534b567178cb0486d3ae76
Manifest420d0894a73058547fa19d89fdafcca11a2b02c2f182895f143bf6c93db9d33e

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
Signaturey+5BuZ+AURvMowFpzHI4dgJ+LL6XCfgxuhx4NvK3UDx2+74nivHNGpS1aIssTOVyHXOriRfnsUWTDWC3APMEAA==
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

2026-09-17T10:28:50.145840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068991
observed 94777d276f6311a8a4ba616eed40f55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.128395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068991/manifest.json
observed 420d0894a73058547fa19d89fdafcca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.109313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068991/publication.md
observed a5fc174e949814566a23c1fb7069ff18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.091067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068991/publication.txt
observed 99e1548df3ff534d5d85821919c926c6...
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.