OpenTechnical

OT-2026-000082335

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before 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-2026-000082335) never changes.

Identity and time

Publication numberOT-2026-000082335 · never reused
Internal UUID01a0ae97-4d95-7ba6-b6af-cabceda7ff78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082335
StatusPUBLIC

Content hashes

Canonical text497eee22ea3f160d74cb8a370b9cbff47c5c442a51380c7daad4fd84963525b5
Markdown948a98cdd41fbe964be5856615ba86d7acfdfff93a3de55e743c088f1ea899db
PDF
Publication pagedcb96b3a5b4594ab558083d77ba0407ed6b470db53568aa52dd831cf1b3c51f4
Manifestaec75a0a5b3c2c9d8e827976d59beac3e198e0ed702a2d24fcfde83b9d619269

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
SignatureUz1fbab/b2lTTO4uuynWx+bLwGq7Pv17XS18Tnktq2Ayv6onwaG18wAHrlQrkwGmmwCwHK3J0jza+liqmld6Bg==
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

2026-09-17T09:59:12.295401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082335
observed dcb96b3a5b4594ab558083d77ba0407e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:12.279292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082335/manifest.json
observed aec75a0a5b3c2c9d8e827976d59beac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:12.260748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082335/publication.md
observed 948a98cdd41fbe964be5856615ba86d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:12.242057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082335/publication.txt
observed 497eee22ea3f160d74cb8a370b9cbff4...
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.