OpenTechnical

OT-2026-000050493

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000050493) never changes.

Identity and time

Publication numberOT-2026-000050493 · never reused
Internal UUID01a0ae82-5c49-7886-ad19-3b839739ded6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050493
StatusPUBLIC

Content hashes

Canonical textf4c2c99168795b344b4e8e58da2a553545ed84bf71af08a7495a64267169293c
Markdown2d53aa58175dbf0e9a1150b214315ebf573dfd131af490cd7b5c209cded32267
PDF
Publication page8aaab850e59cfed86a1a6eb429da47c55dd60c2141f7caa893bcdb35072adda0
Manifest1c4ba648a8316358a3ea41ee82e198145585a4b20b3150a004432220f9f6eb7b

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
SignaturePxlhmibWJ0nh9Th7eoCeqRUMgjl6V4zGlqviGZXfVMcHJsNH1p160DScaSSvAh9O/gV31uljnWVsfxB5J3KCAA==
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

2026-09-17T11:01:32.953394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050493
observed 8aaab850e59cfed86a1a6eb429da47c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.937005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050493/manifest.json
observed 1c4ba648a8316358a3ea41ee82e19814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.921183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050493/publication.md
observed 2d53aa58175dbf0e9a1150b214315ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.905555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050493/publication.txt
observed f4c2c99168795b344b4e8e58da2a5535...
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.