OpenTechnical

OT-2026-000089422

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000089422) never changes.

Identity and time

Publication numberOT-2026-000089422 · never reused
Internal UUID01a0ae9b-db02-71ba-8df8-b3f2fd9a2c6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089422
StatusPUBLIC

Content hashes

Canonical text95d0e1ed91a5a875a19ec3aa71dda7acacf74215aaae1d44a3dd8e50ed85f342
Markdown888ed9efce44d18b2f7032f1a96d6b103ad4adac67a5192fdf728118a32095b6
PDF
Publication page579e00c47a218f64ebf479ac9cda22bb4503ac38f66af3cee2b1f7a86b36fd62
Manifest10ef189ed2ce3b2d5f25687c4e5a174dd3248da00be8db49a866a0a7e5e06026

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
SignatureVRCtoUow2udNRtkRzKxsaxQp9j6KZRaR1RFdaaE26DsITsQWVlbKm1TFhOoSu8qeNn94325lIfrGV6rBVdlVCg==
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

2026-09-17T09:47:33.905160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089422
observed 579e00c47a218f64ebf479ac9cda22bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.889166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089422/manifest.json
observed 10ef189ed2ce3b2d5f25687c4e5a174d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.870711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089422/publication.md
observed 888ed9efce44d18b2f7032f1a96d6b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.853755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089422/publication.txt
observed 95d0e1ed91a5a875a19ec3aa71dda7ac...
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.