OpenTechnical

OT-2026-000061605

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000061605) never changes.

Identity and time

Publication numberOT-2026-000061605 · never reused
Internal UUID01a0ae8b-7b45-78ad-9c7f-ccf5f1a1c868 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061605
StatusPUBLIC

Content hashes

Canonical text7c03c701ba2e4b5f7c882499603bc493189d4a045268e2eb4b357eaff40295ca
Markdown44138f372d9e6f05e5993647043de3972c9b0e2250a3003d9efc1b97ced39e05
PDF
Publication page97a79f9ade380d9deaaa64853f32c3f193466bdd11ce011b3eac78d15eea7de5
Manifestb2e634da838cf5894f2da24e0eb8014c93d7699a67ec12f0d39810326569ddcd

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
SignatureoGo/7eDvwHreh8AVy3R+henekc7rYhLYSz15PZYgvwk43XKa0ra4xL4EbvG2oyuWWzM1eXeuGPmkjhjScpf3DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:32.029091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061605
observed 97a79f9ade380d9deaaa64853f32c3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.011016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061605/manifest.json
observed b2e634da838cf5894f2da24e0eb8014c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.992149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061605/publication.md
observed 44138f372d9e6f05e5993647043de397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.974050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061605/publication.txt
observed 7c03c701ba2e4b5f7c882499603bc493...
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.