OpenTechnical

OT-2026-000071360

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-2026-000071360) never changes.

Identity and time

Publication numberOT-2026-000071360 · never reused
Internal UUID01a0ae91-e0ed-7150-b4c7-d766925a3123 · 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-2026-000071360
StatusPUBLIC

Content hashes

Canonical text9100206ee3796d16988718d4c0fc40bb0fa865c6ffe021843fd851bdad7f71d9
Markdowna27b6be7acc3d34507f0e958d13787140671251121f863334d48e0cff2ec842d
PDF
Publication page91b65cf5e39e0b7fef1feba3735de7384fc5f8b51bdc800b3b674c52b3b9d72f
Manifest2eb3327fec05ddbd3f38d227447cde9822af5f4fd4bea466474af415c3e9725d

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
SignatureHV4CW38NIUsEaoVUxd3luEXugdPsNRxMWpP8XRKT01qWmNOSXcfnF8WpE27Vqf1OhF39R5CcL6hO93/nbMrLBA==
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

2026-09-17T10:24:58.234580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071360
observed 91b65cf5e39e0b7fef1feba3735de738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.216828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071360/manifest.json
observed 2eb3327fec05ddbd3f38d227447cde98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.198217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071360/publication.md
observed a27b6be7acc3d34507f0e958d1378714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.181548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071360/publication.txt
observed 9100206ee3796d16988718d4c0fc40bb...
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.