OpenTechnical

OT-2026-000062051

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000062051) never changes.

Identity and time

Publication numberOT-2026-000062051 · never reused
Internal UUID01a0ae8b-b8af-7460-85ba-f821616d54a1 · 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-2026-000062051
StatusPUBLIC

Content hashes

Canonical text071dc1aa61de7f0ab0e246a0a917740ceddb9ed33883762dd8e82485d108d457
Markdown4b58869c66f83f1787d67ad3e82bd67bf3c0e1612f118fb11a7906e5ff74f2f8
PDF
Publication pagecb97ddd22b1ff3af96b5303ce8bbb9a4e758ebe5de7ebccfca4eca01319e7f9b
Manifest0469f36d086ba4d49e653e14cdc1cec46aa5fd385dc8d233d40469b1334425c4

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
SignatureAfcvCZkyk5BL2vEHxbDp9QFucT77TjYv1CCPlrK7Jqd+FQEdbpZM7yla5TyM6JQWbI9tzvunyVHLOvFYZaEoAQ==
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

2026-09-17T10:41:05.603335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062051
observed cb97ddd22b1ff3af96b5303ce8bbb9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.583180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062051/manifest.json
observed 0469f36d086ba4d49e653e14cdc1cec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.564021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062051/publication.md
observed 4b58869c66f83f1787d67ad3e82bd67b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.544407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062051/publication.txt
observed 071dc1aa61de7f0ab0e246a0a917740c...
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.