OpenTechnical

OT-2026-000018164

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000018164) never changes.

Identity and time

Publication numberOT-2026-000018164 · never reused
Internal UUID01a0ae6e-b488-7e89-939c-bf2c42cf1f7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018164
StatusPUBLIC

Content hashes

Canonical textbb78a5f81148ba5a6343cfdf68552850474bd1a1548588cd1023efc9c669df07
Markdown9a56da62bd6c7fdab2b416655e8fe6b8c7aff3bdf6a024629b102f54d46ed91f
PDF
Publication page4235b0508f78dc47ff85bdb5f2e598ecfb727bedeeb5e01ecd0d1e9439ce2b0d
Manifest2778f2dc06c1b32009d2c5acc728762344adb57c72ec0e07da328b7d2b40bc5b

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
SignatureSf0fjw3WrFFYfLRTbW3aoSqcOeq/1JQ3yA4SO306bnRG4BbLwEj2igadcLNoNavPmqEWGEwmRHhd7VDzjvagBA==
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

2026-09-17T11:59:55.880771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018164
observed 4235b0508f78dc47ff85bdb5f2e598ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:55.860954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018164/manifest.json
observed 2778f2dc06c1b32009d2c5acc7287623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:55.840608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018164/publication.md
observed 9a56da62bd6c7fdab2b416655e8fe6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:55.819778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018164/publication.txt
observed bb78a5f81148ba5a6343cfdf68552850...
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.