OpenTechnical

OT-2026-000035052

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000035052) never changes.

Identity and time

Publication numberOT-2026-000035052 · never reused
Internal UUID01a0ae76-6a1c-77ea-a988-813c95d8549d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035052
StatusPUBLIC

Content hashes

Canonical textf16e5af134754f606881280e31dc972915e20bd8fb9555b597d876b59326968b
Markdown312d91c279d48e1a45eda92a6cb0dea3e6fa4f4b6924dad810baa137b7fcf978
PDF
Publication paged14a86db18950bd0b57288aa3044fd11226419dd3c807a89cb02f486f07ba28a
Manifest8381e138834e3eabf35ab29e9a8d3f8d14cdc92121dd48a1871c9e83e2fff8a8

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
SignaturedZxIRQwCp6Cirn5hD8P1aZ5GgxCQ59cLMqd9MoS3c1LaBu0uNhT5HjLFX0LzJ0SyQ4aDyGCiDQKz1hE6N1V8AQ==
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

2026-09-17T11:28:06.527637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035052
observed d14a86db18950bd0b57288aa3044fd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:06.508123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035052/manifest.json
observed 8381e138834e3eabf35ab29e9a8d3f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:06.491026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035052/publication.md
observed 312d91c279d48e1a45eda92a6cb0dea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:06.473847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035052/publication.txt
observed f16e5af134754f606881280e31dc9729...
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.