OpenTechnical

OT-2026-000064922

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000064922) never changes.

Identity and time

Publication numberOT-2026-000064922 · never reused
Internal UUID01a0ae8d-debd-7dec-98d7-4b64165741e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064922
StatusPUBLIC

Content hashes

Canonical textb9cebddd2a5951848d261db9b4137abf6a49ee8bb3c8d4a5231de32b9a8e9b45
Markdownbfb339b672e5eda1fc9d4e863cd6f211580b8238a4f0bf40d6f8024cfa3f198b
PDF
Publication paged75f1d5500f40d22d5c152cc20109b099ed770bc99db9d2adf2ac2cbefe73e59
Manifestbe9a1d6efc5520f7e8d81d129d8640780d75fa7ca0adb3f860d08b7799b24c38

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
Signature/rc0duJHAyifX1313WalMC47khHm/PErDfl07f/hZMEA1eoX8y+uED9yihe87ZmTePY6EyaJMt1zb9PixBunAQ==
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

2026-09-17T10:35:51.422584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064922
observed d75f1d5500f40d22d5c152cc20109b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.405018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064922/manifest.json
observed be9a1d6efc5520f7e8d81d129d864078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.387079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064922/publication.md
observed bfb339b672e5eda1fc9d4e863cd6f211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:51.369230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064922/publication.txt
observed b9cebddd2a5951848d261db9b4137abf...
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.