OpenTechnical

OT-2026-000067551

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000067551) never changes.

Identity and time

Publication numberOT-2026-000067551 · never reused
Internal UUID01a0ae8f-6bda-7ac9-b9eb-d06677053298 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067551
StatusPUBLIC

Content hashes

Canonical text68f88f2c3e5b4933f85fe518ab5c0c6c5250da5de94c82c4ddeae7a7044779e6
Markdown798c597257d2e89e95a7eb3e59de8ef42b8827105e805979a0f72eaf85ad8c32
PDF
Publication pageef9e6319a94693d305a08bde28db608914fcd23cfe951fe7fd4ec2326e4a534c
Manifestd12ab7abf7a2b9617b974fbb6811ebbdac2eddd9fa2caa5511e0ee75e242b8f6

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
SignatureMZXHQKje5CDTqGkr2fOefiMbVsuU+vRal2ttZetUD3FrOuuIftV/6O7hkIr09HmD2WYmOyoofGHO/DJm6fsWCQ==
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

2026-09-17T10:31:51.485962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067551
observed ef9e6319a94693d305a08bde28db6089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.468403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067551/manifest.json
observed d12ab7abf7a2b9617b974fbb6811ebbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.451436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067551/publication.md
observed 798c597257d2e89e95a7eb3e59de8ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:51.434010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067551/publication.txt
observed 68f88f2c3e5b4933f85fe518ab5c0c6c...
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.