OpenTechnical

OT-2026-000065157

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000065157) never changes.

Identity and time

Publication numberOT-2026-000065157 · never reused
Internal UUID01a0ae8e-1df9-7f4b-9834-b2a7cfb47f0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065157
StatusPUBLIC

Content hashes

Canonical textfb4c5aaf6409e0f788e33fea08de1b813c087bfb8a94cff18a704c590757de00
Markdown943153b0934072cb95338fca091262de55cbaf6cd3262d8ad38fd3c12265e0e4
PDF
Publication page7bc3ae6a84db4d860e497a781b2c295f9e6f52e76b34fffdd8a7340f202587c4
Manifest4eb6c25233143a6ab46ec449dd4afa5dff01695b7c6e7151a8a9af7cf84d7b2f

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
SignaturevgOHRQ0szRcUgZGNoQAIJKTJocZkb0P/8As5AkklqJ45UAPypO6w05LVDYtea0oR7Bs6crDp9T1EPXOPAJSQAQ==
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

2026-09-17T10:34:59.703285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065157
observed 7bc3ae6a84db4d860e497a781b2c295f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.686777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065157/manifest.json
observed 4eb6c25233143a6ab46ec449dd4afa5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.671515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065157/publication.md
observed 943153b0934072cb95338fca091262de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.655882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065157/publication.txt
observed fb4c5aaf6409e0f788e33fea08de1b81...
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.