OpenTechnical

OT-2026-000036810

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000036810) never changes.

Identity and time

Publication numberOT-2026-000036810 · never reused
Internal UUID01a0ae77-773e-70f5-aee2-50b04a9c4e48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036810
StatusPUBLIC

Content hashes

Canonical text130063ec2d4a821829cce61bb090f3a4e3c0f1680c792ce70cb85d1c3c75c063
Markdown96232f70a82c79dfc36de4804cb09369f5fb51c7041351c44f9f9e3010a09973
PDF
Publication page3e56f076b0159820ae8a80865ae2cdd42c012be75434e5cec7a473fadd15ea2c
Manifestbd79c446fa8ed605ccc3640dea629530c07b3b98519b09cfe4643a637b75a79f

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
SignatureF5GD/C54tiUn5Z9s7rK1qsiukxcwkGb9lJZqVlZW0bxBOsxA4ovfOXajej6qx+8RlUmS/drwpOZAP7IEuL4+Ag==
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

2026-09-27T20:41:09.119845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036810
observed 3e56f076b0159820ae8a80865ae2cdd4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T20:41:09.009412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036810/manifest.json
observed bd79c446fa8ed605ccc3640dea629530...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T20:41:08.832491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036810/publication.md
observed 96232f70a82c79dfc36de4804cb09369...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T20:41:08.639475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036810/publication.txt
observed 130063ec2d4a821829cce61bb090f3a4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T08:42:08.919110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036810
observed 3e56f076b0159820ae8a80865ae2cdd4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T08:42:08.819205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036810/manifest.json
observed bd79c446fa8ed605ccc3640dea629530...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T08:42:08.712279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036810/publication.md
observed 96232f70a82c79dfc36de4804cb09369...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T08:42:08.578762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036810/publication.txt
observed 130063ec2d4a821829cce61bb090f3a4...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent