OpenTechnical

OT-2026-000047663

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000047663) never changes.

Identity and time

Publication numberOT-2026-000047663 · never reused
Internal UUID01a0ae7f-c41f-74a6-90f0-e04242954daf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047663
StatusPUBLIC

Content hashes

Canonical text2a81faa423b395e73848951628ccaf981e69b668f26f057154edd1df8588205c
Markdown1eeed4866f85aeb8b0f17d3235c117fdbf2dcc139f5961dc4c59a14d7fd68718
PDF
Publication page4f4f098b0b4165c2b70314ae0598d0de0730328d525ef9eadaa3d402e87b7be1
Manifest6edf431ec08f555de05519339590a7bc2d6948d8e5964285c20207eab1ebd797

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
Signature88xEu/KvdAq7CuWnLc1qYLQW5lOipRhIWJt2TOVLZNCpVAcL8JixoGftSiKDgBrn+fB+93k8GXPjKhgWJgGRBw==
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

2026-09-17T11:05:30.254732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047663
observed 4f4f098b0b4165c2b70314ae0598d0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.234643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047663/manifest.json
observed 6edf431ec08f555de05519339590a7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.178067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047663/publication.md
observed 1eeed4866f85aeb8b0f17d3235c117fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.122216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047663/publication.txt
observed 2a81faa423b395e73848951628ccaf98...
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.