OpenTechnical

OT-2026-000054628

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000054628) never changes.

Identity and time

Publication numberOT-2026-000054628 · never reused
Internal UUID01a0ae86-1284-7b3b-ace6-0b105f9b6181 · 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-2026-000054628
StatusPUBLIC

Content hashes

Canonical text3bd558ea1aa66844cfcef8946a68c7873f4e1b2a4cd9c123d7640452d4d3fae6
Markdown090cf359fcb305a8d4e5d9a5672fc6afbcfb5a0630d298e995b179f280325188
PDF
Publication pageb78b98ce8afad20d0306311e8e77023c94e19bb0aa0dbfc3a8b6b47ced2d1c34
Manifesta8704766537c188c7cd3ef37a70fc8e19ee70217203e4c88bc3d31baecd2fc9e

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
Signature1nVsLNIfmuZ+GBYPyc5xvkNmwwRq/cu7Y8nAH7zWiJiUI1YpqLFl2+iH/2rv8d3/RYOB03n5tjpd+wDQdSWEDA==
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

2026-09-17T10:53:41.372297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054628
observed b78b98ce8afad20d0306311e8e77023c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:41.353488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054628/manifest.json
observed a8704766537c188c7cd3ef37a70fc8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:41.335514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054628/publication.md
observed 090cf359fcb305a8d4e5d9a5672fc6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:41.317184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054628/publication.txt
observed 3bd558ea1aa66844cfcef8946a68c787...
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.