OpenTechnical

OT-2026-000063599

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000063599) never changes.

Identity and time

Publication numberOT-2026-000063599 · never reused
Internal UUID01a0ae8c-f945-7292-8574-0910658fe01d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063599
StatusPUBLIC

Content hashes

Canonical text97ba7b07d9417b9e820a62147c72803e6f81a511136f28e1a2592f32fc12b02f
Markdown1bc90b3fce01c6643da14f5367fcb4f151dd4a72229a4b378a98322f2a9deaee
PDF
Publication page3a25eb6e071876ba3e33dadb4d48846fa9199458cb756ba0d754ba0ed09b1c6c
Manifest87845a63c5a1118a1405db4e3fc714ae5636aa7c96025695f29b12a884197967

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
Signature0a7WsrjqdUWR/P46PtajnjzH4sqWi1Dwe1+c4zHqmBmnmTLwU7/GfqSDwgF4y5JFhyY9E/cE6BFW+JkzraSpBA==
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

2026-09-17T10:37:37.166040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063599
observed 3a25eb6e071876ba3e33dadb4d48846f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:37.142597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063599/manifest.json
observed 87845a63c5a1118a1405db4e3fc714ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:37.113306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063599/publication.md
observed 1bc90b3fce01c6643da14f5367fcb4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:37.093630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063599/publication.txt
observed 97ba7b07d9417b9e820a62147c72803e...
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.