OpenTechnical

OT-2026-000029136

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, sustained blow-off before 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-2026-000029136) never changes.

Identity and time

Publication numberOT-2026-000029136 · never reused
Internal UUID01a0ae73-2aa0-79a5-975b-056196ee7d5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029136
StatusPUBLIC

Content hashes

Canonical text56ce2f10671ca69bc0202541f528f7547143ae8f525f37f99c22f1c9960b7ff1
Markdownaf378912deaac1c6e0cda5503509a4f48a4210446f407c9a020771e20e022c6b
PDF
Publication page2fccda876e4b4952cfad80f1eb8a4b3fb59539d7fabce12005d70638c6a91e51
Manifesta6cc650a1551e2ae74e1ba0f406b2df5809aadcd07cf425a182dca0ad9194a89

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
Signature9KDXw1Uw9J79XxubQuIjoVxvyrYhPjwa0211gHLjyIoOrbO76+WgyQBAyewGTTslcAhbAThEzY4czPkXUIlaBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:37.256954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029136
observed 2fccda876e4b4952cfad80f1eb8a4b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.238732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029136/manifest.json
observed a6cc650a1551e2ae74e1ba0f406b2df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.221581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029136/publication.md
observed af378912deaac1c6e0cda5503509a4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.203001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029136/publication.txt
observed 56ce2f10671ca69bc0202541f528f754...
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.