OpenTechnical

OT-2026-000053216

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000053216) never changes.

Identity and time

Publication numberOT-2026-000053216 · never reused
Internal UUID01a0ae85-0a14-7d59-b0df-2518923c9c78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053216
StatusPUBLIC

Content hashes

Canonical text701c0a21561220ad4c0ec40451d6edf00232d98ca8d275cc73a9e9207241911a
Markdown6c6e11244ee15df16adbe57b127bdc458db36ce08fec3ad1835547c1fa2dc10a
PDF
Publication pageced7786cc3635664ee62bb94378725f6fdb95c5f56109a59a97f7eaef613a3bf
Manifest769f83f5f07358ac426c571b64305c198134a27474cd7ee0bae1cc41d916b061

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
Signature3C0nVhGDHFH6fDZSn9OQK4ogs4mywRluX7vGUTklhGVZ+GND6Lpipqmfnw54OAsAVv8fIq34Vx3xk8CH5LeIDw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:50.317276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053216
observed ced7786cc3635664ee62bb94378725f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:50.299807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053216/manifest.json
observed 769f83f5f07358ac426c571b64305c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:50.281333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053216/publication.md
observed 6c6e11244ee15df16adbe57b127bdc45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:50.259419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053216/publication.txt
observed 701c0a21561220ad4c0ec40451d6edf0...
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.