OpenTechnical

OT-2026-000053330

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000053330) never changes.

Identity and time

Publication numberOT-2026-000053330 · never reused
Internal UUID01a0ae85-0a15-79a3-9144-1c74d72234dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053330
StatusPUBLIC

Content hashes

Canonical text86ac3de5a689e833245c9b66bd13222892b780eafbcfcdce749a985fe1e9e977
Markdownd581607b0bbf65852dbe2753b7d3eb395655590b5bc18ef65d5e557ec925fe78
PDF
Publication pagedd8eeb22c907c773a0864d10deddc177676ed1c9e0879b800e04ef7ef44769c6
Manifest127faab0c64b5d1cd7f3838a5c0a1424f3eb8833e692f1831e7153f3715d2c62

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
Signature5Fr0fQ7M0agvbj3P+nE8cJq9SgY8kMFqwbeGq60L0ViReL5YL71f77cFo5oyu6n10krH2oz781KkGBXEFevFAg==
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

2026-09-17T10:55:01.977591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053330
observed dd8eeb22c907c773a0864d10deddc177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:01.956636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053330/manifest.json
observed 127faab0c64b5d1cd7f3838a5c0a1424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:01.938261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053330/publication.md
observed d581607b0bbf65852dbe2753b7d3eb39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:01.918603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053330/publication.txt
observed 86ac3de5a689e833245c9b66bd132228...
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.