OpenTechnical

OT-2026-000011482

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, sustained 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-2026-000011482) never changes.

Identity and time

Publication numberOT-2026-000011482 · never reused
Internal UUID01a0ae6c-88ff-7218-80d9-6d233d3177dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011482
StatusPUBLIC

Content hashes

Canonical text35f546f24f00649033731b249674bd121ab1dfe2e3be42f3983527ecf96ae302
Markdown7783aa0a77117c1fcb721e8a238ad381a7f843e507bb10c09d0e0ce96459ffce
PDF
Publication pagef3c39ff2d0fbd1fbacaf36dcf187c9734f5b4eae696d59cdc0e31bcbe5c61c1d
Manifestbfe752b81e08c5353cde0c6816749656d8edda32f3260f9daf0c0e3a8cf14b8e

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
Signaturep/9hk7YSDSuSzQV1m8gyEHggacMshrg6izz9WnfjAQK2Yy6UUxGz7nB9Im0/vhcFUWB2aIWmszKnLNZDfhbpCA==
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

2026-09-17T12:13:15.275664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011482
observed f3c39ff2d0fbd1fbacaf36dcf187c973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.254347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011482/manifest.json
observed bfe752b81e08c5353cde0c6816749656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.233754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011482/publication.md
observed 7783aa0a77117c1fcb721e8a238ad381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.213635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011482/publication.txt
observed 35f546f24f00649033731b249674bd12...
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.