OpenTechnical

OT-2026-000104088

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000104088) never changes.

Identity and time

Publication numberOT-2026-000104088 · never reused
Internal UUID01a0aea5-341f-7cdb-96f7-56344743a454 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104088
StatusPUBLIC

Content hashes

Canonical text8542523bd712da34b028abb2e02b27eda17272712bbc6a6d2e0c241e8b559261
Markdown20d84e3894acb4a48ca3591f51c12d281bcd7f6635193fce3e22b970066c5d72
PDF
Publication page024cd301765442456a5efa25877858242e6a2192bb87e5bb850cd866d8a9a676
Manifest1d669ad94fac1f3e0a6a8b50242d2cf455a6eac87f1b1f0159fd878f09f46139

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
SignaturelANmURus2MndaojcKdU6HKPCHQSOtkyRGIKFOMUKhU4g2IHpS7u9iTyTlsMWFtDhXPb7rH9NyIZvOxkEJ9ExCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:09.455414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104088
observed 024cd301765442456a5efa2587785824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.438332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104088/manifest.json
observed 1d669ad94fac1f3e0a6a8b50242d2cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.420507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104088/publication.md
observed 20d84e3894acb4a48ca3591f51c12d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.403118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104088/publication.txt
observed 8542523bd712da34b028abb2e02b27ed...
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.