OpenTechnical

OT-2026-000033377

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000033377) never changes.

Identity and time

Publication numberOT-2026-000033377 · never reused
Internal UUID01a0ae75-8980-763f-baad-9188bc1345d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033377
StatusPUBLIC

Content hashes

Canonical text103695cdb345eddb4f91aecb7580f0f13eee835256bd930956524d49bceef88a
Markdownadf8553b485bed9e7ae73d2a811e502a91fa380144bb9a5bf674a84edb7b53eb
PDF
Publication pageafc743f6addbcd86d73e10aeba4d3dc84f4fd6c1f0b4c9218d8b519304974153
Manifest8badcd313c34c934d94ac1566e9145bbf3eb8caba880b1583c4319f0d33a24fb

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
SignatureDFIpzduiKSCVcblAymGndysYlLNMi9KbkobGqxwH1QLbpgye1TwDM/IqC8tnREW8UidhzYNxVPJQHrWutQXfBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:32:08.978413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033377
observed afc743f6addbcd86d73e10aeba4d3dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.960585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033377/manifest.json
observed 8badcd313c34c934d94ac1566e9145bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.942180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033377/publication.md
observed adf8553b485bed9e7ae73d2a811e502a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.920935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033377/publication.txt
observed 103695cdb345eddb4f91aecb7580f0f1...
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.