OpenTechnical

OT-2026-000081424

Publication integrity record

Three bellows 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-2026-000081424) never changes.

Identity and time

Publication numberOT-2026-000081424 · never reused
Internal UUID01a0ae96-f375-7d36-b02c-fe446f29c937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081424
StatusPUBLIC

Content hashes

Canonical textaa7858a6a7a72d84bb39ffe01c630c8f465030dec89ec49f5832c5fdb360718d
Markdown743ca8b846cd18b1672a0e670676951d4d38472ccbb60cda835d3420473e8357
PDF
Publication page1d39625837802c910ef486042bcfef36539216c20febfd4e29e291fb960da3de
Manifestd9a52d380c66ce26193db9a18869d385a3e877e7540d6193661098b6c0760d80

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
SignaturefJbWjWAsIE3w+Wf5gnWownxhDpU/96cTnzf+WdgGvPwKMHc4otiO+W5oHjv24jcYaOQcz34lseYwAeF5dVaXCA==
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

2026-09-17T10:01:34.724586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081424
observed 1d39625837802c910ef486042bcfef36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.705673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081424/manifest.json
observed d9a52d380c66ce26193db9a18869d385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.688191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081424/publication.md
observed 743ca8b846cd18b1672a0e670676951d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.669454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081424/publication.txt
observed aa7858a6a7a72d84bb39ffe01c630c8f...
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.