OpenTechnical

OT-2026-000063445

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented after set-down

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-2026-000063445) never changes.

Identity and time

Publication numberOT-2026-000063445 · never reused
Internal UUID01a0ae8c-f944-7fa0-af34-6dbe0145488d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063445
StatusPUBLIC

Content hashes

Canonical text0f93b4fd7a08d0154170bffae34852f8927b21907e07a1397c1ac811c867144d
Markdown93aa67ef8abd773ae27a34746093454699a1617db57a8bdf41d04221e395b316
PDF
Publication page0684cc4cfa3b847163260eb80fb4ed1657cd2bfc9a161b25325e9e8cbee5e0af
Manifesta77e5907b281ba3c835fafeca29a7559bec733c703e30d32134219844817178b

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
SignaturevPvz3MUaMPpFMwINlL3T8OB1/XEuufGg88jBrp58PZDd0JIOGXpVVIgPgYeJi7tgsg4hf+foy7MS8RlkzpvEAQ==
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

2026-09-17T10:37:24.316136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063445
observed 0684cc4cfa3b847163260eb80fb4ed16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.297761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063445/manifest.json
observed a77e5907b281ba3c835fafeca29a7559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.281153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063445/publication.md
observed 93aa67ef8abd773ae27a347460934546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.263648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063445/publication.txt
observed 0f93b4fd7a08d0154170bffae34852f8...
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.