OpenTechnical

OT-2026-000037381

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000037381) never changes.

Identity and time

Publication numberOT-2026-000037381 · never reused
Internal UUID01a0ae77-b8cd-7d88-bc17-88b467682399 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037381
StatusPUBLIC

Content hashes

Canonical text0afd425c96c26782d3c26604d1e21564dd107ebd79fa50afa49b2255a4bc8dd3
Markdown48d48d81feee72281c1e881a4364dbb8c60ec7552590621485f28ce7dd54099c
PDF
Publication pageeef092557cd1695d811d5ab22f9c3a8e47a0b667f595c99a48cd659e7d9274c2
Manifestd0ecc29916f24d0d9b3b1aa7a957bb6f894f7288c02da70f0861ba92819fa78d

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
SignaturehH1Q/B0LTNtCgkyOXTkikOluvTbMKk3/iLtZNrfqKCMFL89sIe3kF81eyizzqDh+aEFVUeWIhwkjP5ilUSAwAg==
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

2026-09-17T11:23:48.534754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037381
observed eef092557cd1695d811d5ab22f9c3a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:48.518468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037381/manifest.json
observed d0ecc29916f24d0d9b3b1aa7a957bb6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:48.501405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037381/publication.md
observed 48d48d81feee72281c1e881a4364dbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:48.484202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037381/publication.txt
observed 0afd425c96c26782d3c26604d1e21564...
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.