OpenTechnical

OT-2026-000035518

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000035518) never changes.

Identity and time

Publication numberOT-2026-000035518 · never reused
Internal UUID01a0ae76-b4c5-7218-b707-9b0a5cca928a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035518
StatusPUBLIC

Content hashes

Canonical textf0df9aae03bc4f3cb3a4d446013b594dd4ce7296b100032be2bc479977100ebc
Markdown26985aff64ef4b76085220427ace4be35d34e58cefeb1240ff7e01163a02dd9b
PDF
Publication page3d2b3d8504df125ff91f34ac59a30c7ff899301b75120e194b1cea266cdd4c4f
Manifest724ba9e05298ff3eb26b743c6096eab6ace066343b31f51331d2ada522999642

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
Signaturer3ZCO1n/wdUsg/2rk0RJmINdFd7ADW2fE3HHIXJ8+tyfJYf3vgEQ+gcLefottRmNYNb7HwN900uBOzTfvvB+Dg==
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

2026-09-17T11:26:56.388469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035518
observed 3d2b3d8504df125ff91f34ac59a30c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.371157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035518/manifest.json
observed 724ba9e05298ff3eb26b743c6096eab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.354378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035518/publication.md
observed 26985aff64ef4b76085220427ace4be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:56.336081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035518/publication.txt
observed f0df9aae03bc4f3cb3a4d446013b594d...
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.