OpenTechnical

OT-2026-000062590

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000062590) never changes.

Identity and time

Publication numberOT-2026-000062590 · never reused
Internal UUID01a0ae8c-0ac1-7bab-8c43-ba0ff428ae44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062590
StatusPUBLIC

Content hashes

Canonical text14bdb34ad37ef3e337def1b109af7a042f031c901ff803c973fe086f830fc32a
Markdown846a9e895c1068b01880cbe8ce2c9836c14dbf2889b3489399632bdc93295f32
PDF
Publication page30a7b2187c88a27678f736ddfa511b94b17d7d61b22d61e1de7a44740f28afc5
Manifest5555461b3a694bbc4b4a3f06305f628d455cc48e4b9590a8b8cdbe306cdb48d3

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
SignatureJshf9A/g+0LthusD8Li5ZkpUAtActd/5Gw++3FKp5xSMTBU6HSZG5J+pjT7ubrq6vmOqrkNXdvZEj0BJEl8BAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:05.043598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062590
observed 30a7b2187c88a27678f736ddfa511b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.026332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062590/manifest.json
observed 5555461b3a694bbc4b4a3f06305f628d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.004615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062590/publication.md
observed 846a9e895c1068b01880cbe8ce2c9836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:04.983844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062590/publication.txt
observed 14bdb34ad37ef3e337def1b109af7a04...
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.