OpenTechnical

OT-2026-000067799

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000067799) never changes.

Identity and time

Publication numberOT-2026-000067799 · never reused
Internal UUID01a0ae8f-c4fa-7ff1-92a8-9c644785986b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067799
StatusPUBLIC

Content hashes

Canonical textb13aae688f30f83715c85a003c79b95c084d7691e271ba0b5e615150649cd60c
Markdown4c429413113d7fac50f38f8a750bd83e7e5f0f0e4ca3a842c9572687790b3296
PDF
Publication page8d39474bd3e35017082c9469cefb6371a0231dc9375d098124feabb33109139d
Manifest80465b0ae7e2310d2c23057e01b7b01c6dbb0064f472eb043aa434dc3df3ee5c

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
SignaturePWR36B85mbX7jfj/YI+WfMpOkJdzPEmYYGETdAwC7CI2sHrcDlC9stSgRd/62fBIYkU9ydEutN1/TTikr+oQAQ==
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

2026-09-17T10:30:02.287524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067799
observed 8d39474bd3e35017082c9469cefb6371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.264053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067799/manifest.json
observed 80465b0ae7e2310d2c23057e01b7b01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.245744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067799/publication.md
observed 4c429413113d7fac50f38f8a750bd83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.226128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067799/publication.txt
observed b13aae688f30f83715c85a003c79b95c...
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.