OpenTechnical

OT-2026-000033319

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000033319) never changes.

Identity and time

Publication numberOT-2026-000033319 · never reused
Internal UUID01a0ae75-8980-77a6-90f5-46dda26c6368 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033319
StatusPUBLIC

Content hashes

Canonical text65e0b50d1db22dea447051a3b7d6513a7575aee4c92fc7ab834e7c253bc09251
Markdowna1421d66effcd483247e1b22789e6697a43b01e99c7812226462eb287550b571
PDF
Publication page526353d0bc6b6ac9ae109f9555077cffc098fd65774ba0e5b43dbe1892e9cb4a
Manifest18772ca493770ce41b360f2d54afc74d6452cf896cbb354af8ed06e9d96fb8d6

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
SignatureWE/Zw8wDB7yygYbbzmNS6XS4g58bcE4kC25s3tDtquHLZiT1X7ISUqlGj3zY+liKSyfYEb1CUfXGGqj9mTYZBQ==
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

2026-09-17T11:32:04.193311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033319
observed 526353d0bc6b6ac9ae109f9555077cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.174481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033319/manifest.json
observed 18772ca493770ce41b360f2d54afc74d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.157583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033319/publication.md
observed a1421d66effcd483247e1b22789e6697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:04.139460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033319/publication.txt
observed 65e0b50d1db22dea447051a3b7d6513a...
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.