OpenTechnical

OT-2026-000041146

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, sustained blow-off after set-down

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-2026-000041146) never changes.

Identity and time

Publication numberOT-2026-000041146 · never reused
Internal UUID01a0ae79-b142-70d2-8d81-7b28a287cf30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041146
StatusPUBLIC

Content hashes

Canonical text23dad97d7e01d14b4976003e97779df7cc77531931669156a44a0ebaff09f47e
Markdownaaaf31b408571f3800725a63c7c7a2f57f2b9b52995961ea8d48d8011e0b3e85
PDF
Publication pagef5879348a1a3434ee70bf0eea50f4547cb3946adc96329bbe806818a89f4d154
Manifestc93089a21ca5f8cc7d46d4a189a564eceec3b4bb0c55de45a5043a9d8882a125

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
SignatureRdsKRSJF/au6P85sQMkNTApDjM3JQL9PIMDe7jGnmmUCNFRkY96GVvyRQ8hvGc6b2SmL4R7tsJ/0+D7+Ycn5DQ==
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

2026-09-17T11:17:05.171855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041146
observed f5879348a1a3434ee70bf0eea50f4547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:05.153622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041146/manifest.json
observed c93089a21ca5f8cc7d46d4a189a564ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:05.134958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041146/publication.md
observed aaaf31b408571f3800725a63c7c7a2f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:05.117153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041146/publication.txt
observed 23dad97d7e01d14b4976003e97779df7...
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.