OpenTechnical

OT-2026-000044168

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000044168) never changes.

Identity and time

Publication numberOT-2026-000044168 · never reused
Internal UUID01a0ae7b-d67b-727d-87c1-dd27c2494503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044168
StatusPUBLIC

Content hashes

Canonical textbde72d2efc9cdd6c609d2302ce6f20057d5bc7d5409dd6e6b4b053e7f0120a98
Markdown57799ee8298696a2910f25e7da5b57d95e829f0993dec07407c66980661f7ff1
PDF
Publication pagebe4dd400a316ff9ba1ffb8c8a9a58733a434606726e58bc1a4ee0fcc714c070c
Manifest6a07d58c7e663fd5871fa906ad0f456696b33dbbf4b91843f50611126a8511aa

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
SignatureqICO3KiymDoxH7OxuQ4DBuhskEt3vsGUOW8NOVbg5Kb/6CbuSNccpsExNxFX28joNFr/WYB+K05ZIibnBZR4CA==
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

2026-09-17T11:12:35.974658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044168
observed be4dd400a316ff9ba1ffb8c8a9a58733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.955054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044168/manifest.json
observed 6a07d58c7e663fd5871fa906ad0f4566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.934904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044168/publication.md
observed 57799ee8298696a2910f25e7da5b57d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.912793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044168/publication.txt
observed bde72d2efc9cdd6c609d2302ce6f2005...
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.