OpenTechnical

OT-2026-000059280

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down

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-2026-000059280) never changes.

Identity and time

Publication numberOT-2026-000059280 · never reused
Internal UUID01a0ae89-8614-7f3e-9976-449fa49a32aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059280
StatusPUBLIC

Content hashes

Canonical textd8cf3d5ca1001038ae060093f709ca1e31b0fa38f0ab1c5abb0d7e031597915b
Markdown12b429318a058dd59ea6d78fe0aba70e244dd138114b979c43a4e0af11411f83
PDF
Publication page29889b6088095d9845c38cef69bbf934efff780bf21462a6710377798d7aab8a
Manifest22e2ad8287f61a4a6ec5f401cf12272a4761d402d4078e8faa8ae651bf52ddf9

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
Signature0ECFykFumY6ocUssp805MUKJCOtSm6+Yw4vkv2Bd7GZFFfu2NevR2Ojhf9QqteVUJwXgjc4S0nc/RGSLzPFiBg==
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

2026-09-17T10:45:50.224631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059280
observed 29889b6088095d9845c38cef69bbf934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:50.206285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059280/manifest.json
observed 22e2ad8287f61a4a6ec5f401cf12272a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:50.189406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059280/publication.md
observed 12b429318a058dd59ea6d78fe0aba70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:50.170231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059280/publication.txt
observed d8cf3d5ca1001038ae060093f709ca1e...
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.