OpenTechnical

OT-2026-000078734

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000078734) never changes.

Identity and time

Publication numberOT-2026-000078734 · never reused
Internal UUID01a0ae95-ccbc-76ac-b940-90f2ab4e1e59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078734
StatusPUBLIC

Content hashes

Canonical textc5b6557f6f6ad40ccb0a2c776e52ac6854832c8ee51c80e58baf10d54860914b
Markdown58d97f536d5ad842b7aa0b5850e62563cc95c0bb3f16cc022326585ecea92253
PDF
Publication pagef812b37e2e991168c39c82a9e0b5adae3b61f81acdbd9329bd234421095dc409
Manifest03e82013cb5e8ed599a1320442d51d4a40abdd269e98f1b582472445f3213238

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
SignatureRFPnixs9eZB4t7fv90M6MPwxE0JcnnrwAN+2j/awNKfMAdJqr9bTtLzLiLyVDd0rgARURHvBF2QTjcpNp2goCA==
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

2026-09-17T10:05:31.105886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078734
observed f812b37e2e991168c39c82a9e0b5adae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.086891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078734/manifest.json
observed 03e82013cb5e8ed599a1320442d51d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.069310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078734/publication.md
observed 58d97f536d5ad842b7aa0b5850e62563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.051691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078734/publication.txt
observed c5b6557f6f6ad40ccb0a2c776e52ac68...
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.