OpenTechnical

OT-2026-000043950

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000043950) never changes.

Identity and time

Publication numberOT-2026-000043950 · never reused
Internal UUID01a0ae7b-d678-7bef-9c56-54c74d2d3577 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043950
StatusPUBLIC

Content hashes

Canonical textab403083c3e7fe34ed59f1bee15a732900dd1c0730aea73229270dfb908ead90
Markdownfe68cb78faf5a6363d31a01a3bcb60e4be913d72d888611df48a7b9853e4d90c
PDF
Publication page8a8da2a08d3f5aaca89de79eb447d1226ff050b59d98fbe44fe05d7a80084935
Manifest70ff9864a22b611e7dd32cbd85677ffb2469a5052bceb6675e63daa2fa30eabd

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
Signature0gfe95cC37eVO2b+Ij80HkcpDk/C5/hXtiWG3PmnMo1ZLRsgBX0SigxqY7s7A72uRCFiHrY/qvhTKSxOcSBHBw==
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

2026-09-17T11:12:18.292499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043950
observed 8a8da2a08d3f5aaca89de79eb447d122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.275675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043950/manifest.json
observed 70ff9864a22b611e7dd32cbd85677ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.257495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043950/publication.md
observed fe68cb78faf5a6363d31a01a3bcb60e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.238850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043950/publication.txt
observed ab403083c3e7fe34ed59f1bee15a7329...
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.