OpenTechnical

OT-2026-000058872

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000058872) never changes.

Identity and time

Publication numberOT-2026-000058872 · never reused
Internal UUID01a0ae89-479f-78d8-9f13-80da4107227a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058872
StatusPUBLIC

Content hashes

Canonical textc84a8ed16cb7040b0eb6fa71467558479508f117732f2e587a03d8f60f38f184
Markdown318bdd8c3a6090f3bdcbc02a74eaa59fafa74406ebf596c41543808a48b5f0ab
PDF
Publication page766dd04e0b35c0cff45c259a23046812e98a64a53f53b29007bf049e845ce4f4
Manifest31472e5725d008336bc3ed22c082f1f859779200bd14c5a9a2c54bb345c76a66

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
Signature25KtiMcLxvdK18a0K8FExS4bsWFqtcBg/VK++Xchbu5SlzAsYfA1pcy8mDxZxs1zb3AqwHhiiYMrO1117Nv0Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:24.893727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058872
observed 766dd04e0b35c0cff45c259a23046812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:24.877194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058872/manifest.json
observed 31472e5725d008336bc3ed22c082f1f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:24.858840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058872/publication.md
observed 318bdd8c3a6090f3bdcbc02a74eaa59f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:24.842017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058872/publication.txt
observed c84a8ed16cb7040b0eb6fa7146755847...
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.