OpenTechnical

OT-2026-000023469

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000023469) never changes.

Identity and time

Publication numberOT-2026-000023469 · never reused
Internal UUID01a0ae70-7269-74e2-be5b-407016e4c671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023469
StatusPUBLIC

Content hashes

Canonical texte2f54f923a24e6e1538c176114bb4137dacc01a156db9936499c4e294081f69a
Markdowna2b7cd12942ee4bb53b40e4e7d9821f964ef505dbdf079234d0d190fa9f3e367
PDF
Publication page52cd13b1a644d0fbd9684f61a54e9fb8e1d6a615a02dd150e0423d016a7bd8e4
Manifest99722daee93b3e86ac7fccf995717b15f4ff3dd5f59d56805762d58ae8f39163

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
SignatureO8BaTtNz/lVLqjM4YIOsQKvep4Ufi+TNTS+p8c65Nl1MzFftsBwYeHR2/NHxgTz1HG8csOW3CdPdaxPYph3XDg==
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

2026-09-17T11:51:41.517832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023469
observed 52cd13b1a644d0fbd9684f61a54e9fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.485122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023469/manifest.json
observed 99722daee93b3e86ac7fccf995717b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.461550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023469/publication.md
observed a2b7cd12942ee4bb53b40e4e7d9821f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.444967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023469/publication.txt
observed e2f54f923a24e6e1538c176114bb4137...
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.