OpenTechnical

OT-2026-000059777

Publication integrity record

Single cup vacuum gripper, pump fed, vented after 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-2026-000059777) never changes.

Identity and time

Publication numberOT-2026-000059777 · never reused
Internal UUID01a0ae89-ec25-722a-8024-0ba368c0fe5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059777
StatusPUBLIC

Content hashes

Canonical text6550b5a86f74b3c449b401f15de2b8ed166b557739fdf655c4ff526e48f8757a
Markdownadd1294e4e28123feba2f937a2c1eabc977ef832ea0d4f2ea57ece1945266926
PDF
Publication pageb513cd42a693bbd6c00e7d8e7ef314a0cba090bd70cd7ad1ceb05513f01d5b92
Manifest6a93920c9513a41cf341a7cfb44b26c0c0b17551a61281c5ff1dfdb387467db7

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
SignatureO6m/QdLxD4j1H/0uCVZ8t2TgLudQEu932r+DBRDJIDlIQpjrEgX7AOy5tg7Vrqv038Ys8echx0hrOrkBjOnRAQ==
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

2026-09-17T10:44:30.370844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059777
observed b513cd42a693bbd6c00e7d8e7ef314a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.353274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059777/manifest.json
observed 6a93920c9513a41cf341a7cfb44b26c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.335034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059777/publication.md
observed add1294e4e28123feba2f937a2c1eabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.316857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059777/publication.txt
observed 6550b5a86f74b3c449b401f15de2b8ed...
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.