OpenTechnical

OT-2026-000043349

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained 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-2026-000043349) never changes.

Identity and time

Publication numberOT-2026-000043349 · never reused
Internal UUID01a0ae7b-327e-705f-8de4-12d9fd20c053 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043349
StatusPUBLIC

Content hashes

Canonical textda88c8d51df7a8197d798070bde50ee57b9a572299386fb0083d5ad22a5091ac
Markdownfe2a99bf91c48abdcb78f3699a42f6c3677784966cf20bc2baa9565788ca50a0
PDF
Publication pageba2e8f2d754db47e4444f92deb49e1b0b3094c5ee7a600c2b17a3e7b72490d81
Manifest8fce0a9fef2b26af72c7906cafe025579fb4928ee223fd952008cae67078254b

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
SignatureHPY6Y1waGV3oQnULP+ZiF/yeAyfXf3EjvxPuiyfejEspojfx2Iwd+MTmraI03SRrhSdC9mC26hxwY7RwvlBnCQ==
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

2026-09-17T11:13:51.912607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043349
observed ba2e8f2d754db47e4444f92deb49e1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.895116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043349/manifest.json
observed 8fce0a9fef2b26af72c7906cafe02557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.875460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043349/publication.md
observed fe2a99bf91c48abdcb78f3699a42f6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.857447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043349/publication.txt
observed da88c8d51df7a8197d798070bde50ee5...
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.