OpenTechnical

OT-2026-000062433

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000062433) never changes.

Identity and time

Publication numberOT-2026-000062433 · never reused
Internal UUID01a0ae8c-0ac0-78d3-9075-9bf63df6de1f · 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-2026-000062433
StatusPUBLIC

Content hashes

Canonical text0dc44c9149edaf33302244b95a6d5c111ae3ece22ebd1961281b39c7e6ba2b0e
Markdown0fe5ba33b1410e5a5dc77b619c420432e3ce3ffade069c91a142f17b95a7ca93
PDF
Publication page7c698c0071286ffafc21fbbcf0e1951669db9580ac5fc69bc2eb808f1f49111b
Manifestef2b91af3ed45ab0875fab7d214214ff438959e85bcd01bda3f80aea2137b126

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
SignatureWgUjM1JMpdFDzO8nvEE15skDdEASP0sd0tG9urPGpWjrvrJO9ympwByjdKUI4c5beKXmITA4M3O71irNlGJhDA==
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

2026-09-17T10:39:46.258065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062433
observed 7c698c0071286ffafc21fbbcf0e19516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.241765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062433/manifest.json
observed ef2b91af3ed45ab0875fab7d214214ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.222343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062433/publication.md
observed 0fe5ba33b1410e5a5dc77b619c420432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.202918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062433/publication.txt
observed 0dc44c9149edaf33302244b95a6d5c11...
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.