OpenTechnical

OT-2026-000102612

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000102612) never changes.

Identity and time

Publication numberOT-2026-000102612 · never reused
Internal UUID01a0aea4-858b-7e41-93d2-ce6b951c3138 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102612
StatusPUBLIC

Content hashes

Canonical textfb9473d279eb8d28aebbe09847550a687bba89488dfd7bf6ecaceb2f510ef3ff
Markdowndcf24d1a47c4583ca8f7c419b139a794a3ee9cbffce4173ea49af86671830bbd
PDF
Publication page00a979baa2681282774f828d25f79777b76d0bed85dbcd6d1ac9c8d8959a2ca1
Manifestcac6afe8fa6dd30b8f5a11b5dcd69587734d46804746692766cba83b3fd7acf2

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
SignatureRBixf3f7OnDpxbUdKay3Kp8x0ZZvVXwvdYyUIH9VnTSSOrlbzl/XSQbY6kYVizUUhO/FfWUMDeRJurWZizxlBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:06.165107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102612
observed 00a979baa2681282774f828d25f79777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.147966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102612/manifest.json
observed cac6afe8fa6dd30b8f5a11b5dcd69587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.128866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102612/publication.md
observed dcf24d1a47c4583ca8f7c419b139a794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.109622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102612/publication.txt
observed fb9473d279eb8d28aebbe09847550a68...
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.