OpenTechnical

OT-2026-000056189

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000056189) never changes.

Identity and time

Publication numberOT-2026-000056189 · never reused
Internal UUID01a0ae87-4bd0-76f9-8481-ac96fe5173b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056189
StatusPUBLIC

Content hashes

Canonical text0f8155d1f9d3fc82a237a954b3081dfec0e3c3cbb0a9952f4908c546ed9ef393
Markdown6bf9a3c6ca375321f1dbc09c3721826622ba9079732b64e7c1111ea46a809900
PDF
Publication pagedfa5c45b2343c41316ae1b75e74757e6f6471734640d9472fed81271abc94668
Manifest3871f4f7f7278ffd86a3b640a74a1bf58579ecac2d11c0225929da674c7f0736

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
Signatureq/ge9ZpnMxPyarO5l2A7AvOg5L/qwksN4hWfv2zbDtuuJxJys22nw2UeUD4ZBzHjv2cdYOYsEleQys1T8TOMBA==
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

2026-09-17T16:41:24.839535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056189
observed dfa5c45b2343c41316ae1b75e74757e6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:24.593807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056189/manifest.json
observed 3871f4f7f7278ffd86a3b640a74a1bf5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:24.325172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056189/publication.md
observed 6bf9a3c6ca375321f1dbc09c37218266...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:24.071028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056189/publication.txt
observed 0f8155d1f9d3fc82a237a954b3081dfe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.122094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056189
observed dfa5c45b2343c41316ae1b75e74757e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.101838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056189/manifest.json
observed 3871f4f7f7278ffd86a3b640a74a1bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.082311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056189/publication.md
observed 6bf9a3c6ca375321f1dbc09c37218266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.036840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056189/publication.txt
observed 0f8155d1f9d3fc82a237a954b3081dfe...
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.