OpenTechnical

OT-2026-000061927

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000061927) never changes.

Identity and time

Publication numberOT-2026-000061927 · never reused
Internal UUID01a0ae8b-b8ad-791c-8b18-07714054d8f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061927
StatusPUBLIC

Content hashes

Canonical text0a33fc2d2b12cee0a51eebc036b129c0e794a887ed7a5f32e153ddf86170e6c5
Markdown2812c3204e09129ca5caa02c2a22da3357aeb0aacd6af014d43b2f769218f018
PDF
Publication paged3c4f14a909b7cdbe0de98c5641da411456cf3b228fdd7566083fbba14da7d4b
Manifestbe004856b3fa6e702a04ef170d47f6588f847ad6cbd14bc72babaacc4d9c98a3

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
SignatureZT5i6bejL+LVBc6AlIjVx+oLNfsvosKmvdsxEr7AI2loUUQa/ai8evlr2EmpYLadLjv/xXb+Bi4qcRzHb+DHBA==
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

2026-09-17T10:40:48.872649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061927
observed d3c4f14a909b7cdbe0de98c5641da411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.850782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061927/manifest.json
observed be004856b3fa6e702a04ef170d47f658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.829674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061927/publication.md
observed 2812c3204e09129ca5caa02c2a22da33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.808296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061927/publication.txt
observed 0a33fc2d2b12cee0a51eebc036b129c0...
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.