OpenTechnical

OT-2026-000067603

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000067603) never changes.

Identity and time

Publication numberOT-2026-000067603 · never reused
Internal UUID01a0ae8f-6bda-7832-8d94-a18f8c773225 · 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-2026-000067603
StatusPUBLIC

Content hashes

Canonical text60747c96325c8c092de53aeb93950ebd605e58b67938db2d389f42b1049a18ad
Markdown05a1b1f8efb2a6df4380217cd4636b890eb3f003440b6380078aa2d783dc9437
PDF
Publication page2844a670b1097f6d0a3c1fcb2a30086a90a8f426566fb64b308cd14d1dd11645
Manifestc8f3fd7917c19bac59d600999224546d451b28aacfaf55aa3bb7bea6d72519a2

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
SignatureMGQRJJV1NdERDFxkYYXoTwZFjz+MQZhEVjM2iwZ2g+FFT2/v2gBuvLHNmam201dRXPnigo0YjhbLt9mvkHntBw==
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

2026-09-17T10:31:55.276385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067603
observed 2844a670b1097f6d0a3c1fcb2a30086a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.257600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067603/manifest.json
observed c8f3fd7917c19bac59d600999224546d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.241099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067603/publication.md
observed 05a1b1f8efb2a6df4380217cd4636b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:55.224841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067603/publication.txt
observed 60747c96325c8c092de53aeb93950ebd...
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.