OpenTechnical

OT-2026-000062090

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented after 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-2026-000062090) never changes.

Identity and time

Publication numberOT-2026-000062090 · never reused
Internal UUID01a0ae8b-b8b0-75db-ac67-0d9a6ad1a099 · 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-2026-000062090
StatusPUBLIC

Content hashes

Canonical textd3c9a986e720f181874531f0571645e940e5fb34d48b3c085c6df06f7df26c51
Markdown89c377c536dc646f2adbd81439385a050b1d4b5bd3cbb2e59b0f49ec143a95db
PDF
Publication page00cf087b7bcd14a9f115b029433139f6e430ce7fb8d9aa7ff29ca203cf039005
Manifest4227a2e6fa3c68c4e1dbc941f2470d19247b41be2cd513dbed4c81486abc69c9

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
SignatureYq7aAE9PbmlegjGen7/WW/eODWjEC0hM9ws16POKT/Lexib5qZI7FnWrjyQqAZk2zpYd8LaosjHmj1/m16ajDQ==
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

2026-09-17T10:41:08.682569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062090
observed 00cf087b7bcd14a9f115b029433139f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.665118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062090/manifest.json
observed 4227a2e6fa3c68c4e1dbc941f2470d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.645502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062090/publication.md
observed 89c377c536dc646f2adbd81439385a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.628161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062090/publication.txt
observed d3c9a986e720f181874531f0571645e9...
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.