OpenTechnical

OT-2026-000016074

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000016074) never changes.

Identity and time

Publication numberOT-2026-000016074 · never reused
Internal UUID01a0ae6e-0c4e-77f4-b1d9-3b7e5652d9a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016074
StatusPUBLIC

Content hashes

Canonical textc03406a9683fd71009cb0c746dee6752e87a7008c367f4bee3e9bb83b33f5a05
Markdowne82b897ee2e5d92d87bcf786558c5ca887e1dc7a6d603ba4da106fff10944acf
PDF
Publication page6171132ab05728271ec7b44729412d57a8f7d62976deaadc79ae924bd61fd313
Manifest0280769bee44fda779c8cc61cb0979c123842301b58b8826de79fa00b04d0076

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
SignatureWNwWicPcmFaPEnpBEHiD40cjcAG8tWMPk8RPacaJxzGUZ1JCiBEjEIPCKqh/eDk09czhCKzTVXoNRKPhmgk+Aw==
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

2026-09-17T12:05:38.441879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016074
observed 6171132ab05728271ec7b44729412d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.420487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016074/manifest.json
observed 0280769bee44fda779c8cc61cb0979c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.400128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016074/publication.md
observed e82b897ee2e5d92d87bcf786558c5ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.378246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016074/publication.txt
observed c03406a9683fd71009cb0c746dee6752...
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.