OpenTechnical

OT-2026-000054605

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000054605) never changes.

Identity and time

Publication numberOT-2026-000054605 · never reused
Internal UUID01a0ae86-1283-7935-b2c9-2c65a7921909 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054605
StatusPUBLIC

Content hashes

Canonical textada7b489dc1c46db551bd2e42bd4ee855a1201c1948229acc5b3d72bd4994654
Markdown7177b05102e26b872bb8218de01dbde3700536f8529486f0592e89876ae8f912
PDF
Publication page0f2d1f7f87e728ae2eebace40782b024b3be07b71d1d799011fdea88fa67bcc0
Manifesteb2f65106d5ff0b44d28fff965a50652c8b37e6e0f66931580cbd1e3e28705d9

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
SignatureYx5x0ruUefMUG9H78SFp9kgU4SFWR2RkvnU5kliY/wVAao/dhxM8RtOAyYPEJLe3h0NQTwx6q8PxuoEdAq6GCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:39.640928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054605
observed 0f2d1f7f87e728ae2eebace40782b024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.621878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054605/manifest.json
observed eb2f65106d5ff0b44d28fff965a50652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.601663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054605/publication.md
observed 7177b05102e26b872bb8218de01dbde3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.582504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054605/publication.txt
observed ada7b489dc1c46db551bd2e42bd4ee85...
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.