OpenTechnical

OT-2026-000071358

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000071358) never changes.

Identity and time

Publication numberOT-2026-000071358 · never reused
Internal UUID01a0ae91-e0ed-78e4-92b0-8aa79358bd8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071358
StatusPUBLIC

Content hashes

Canonical texte8cef8b82162267b1a50f3834ad9ee94e0b0ea5d92d2aa2b4324c634142e5236
Markdownf3223865b4297f85c8b22603afc77a130a9026ae25c31f41ae1e9d1e703573de
PDF
Publication page428d6a3a19d87dcb0836727922f516066bc311e5aaa2776fe18d70e9b9c26cbd
Manifestc6b47b4970c00f287c894418c824784dd5537d9fc35e52dfbb9cd794bdd00be7

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
SignatureUlK36GeRrUn9XEvbo8OCucS7sdC9N5i0YtulLYga44HbVTAd5qJA1YIUm4PfpfY0HjEnCHRb6PaJvj4QZU7QCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:58.085686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071358
observed 428d6a3a19d87dcb0836727922f51606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.068838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071358/manifest.json
observed c6b47b4970c00f287c894418c824784d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.052061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071358/publication.md
observed f3223865b4297f85c8b22603afc77a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.035965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071358/publication.txt
observed e8cef8b82162267b1a50f3834ad9ee94...
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.