OpenTechnical

OT-2026-000089993

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000089993) never changes.

Identity and time

Publication numberOT-2026-000089993 · never reused
Internal UUID01a0ae9c-428e-7b08-a9c3-72eaa8291809 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089993
StatusPUBLIC

Content hashes

Canonical text62c6c5001df8979fac41349eb0ef2a1489f309270948ebdad1ef597aa49d7a5e
Markdown84312e9abb6f3e7cf6fe15b790f2f47d16bbf49e8cb4b4951b0fae87d610a810
PDF
Publication pagee2c66fa8f992daefca3c30ef3f235799963d5ac117351b823b772ff2ba5e9820
Manifest6c222cf9936d3fba365b661fb4a16c3f60cc8d5a7da99599a1215d8140837c21

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
SignaturePqyhtU6oYTQENvpnXuwFiGUdZqH663/pC5GqSLVVg+ApHgA+syYQkQKeYHGXGpROxY5Kj5C5f3dobbWHYyb5Dw==
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

2026-09-17T09:45:02.426704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089993
observed e2c66fa8f992daefca3c30ef3f235799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.410160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089993/manifest.json
observed 6c222cf9936d3fba365b661fb4a16c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.391177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089993/publication.md
observed 84312e9abb6f3e7cf6fe15b790f2f47d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:02.371806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089993/publication.txt
observed 62c6c5001df8979fac41349eb0ef2a14...
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.