OpenTechnical

OT-2026-000052830

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000052830) never changes.

Identity and time

Publication numberOT-2026-000052830 · never reused
Internal UUID01a0ae84-a42e-72d4-a4a8-4dac23d9f85e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052830
StatusPUBLIC

Content hashes

Canonical textd848cac3243bc0893690a77ecb2540eca055266d418ea2dae038f9ba841c2929
Markdown7743f2762c65c08b0368d79455c442839799f32d2669b2282aa6882c899a5c5b
PDF
Publication pagecf130de4d8c88d4edf7182c9c29de952b457e2a63a67f6e8b3ae2028bffa5788
Manifest12d090048b2133530197680b8f9aa157aa19f47e6424c87fc4f20e6324f85385

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
SignatureLJeQHUnSCpTVcRasoSku6vXteYpNr7x8dZNeqI+Mk4ggA+xK02iWBDRWzPbjK+HULv20EtOMHlTbfRLyoeF6AA==
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

2026-09-17T10:55:51.415814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052830
observed cf130de4d8c88d4edf7182c9c29de952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:51.398035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052830/manifest.json
observed 12d090048b2133530197680b8f9aa157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:51.380015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052830/publication.md
observed 7743f2762c65c08b0368d79455c44283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:51.360320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052830/publication.txt
observed d848cac3243bc0893690a77ecb2540ec...
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.