OpenTechnical

OT-2026-000030405

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000030405) never changes.

Identity and time

Publication numberOT-2026-000030405 · never reused
Internal UUID01a0ae73-e503-7ffa-8bd9-1f8d24a117c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030405
StatusPUBLIC

Content hashes

Canonical text65197d02697f9469823a083c25a26598d7a65cc5a39bc20da20344c1693ed410
Markdownfcf3508f0348d8a223ff445f55f97dac8b9feba1b97ad434390931002e761876
PDF
Publication pagee75ed8f37fac55743cbb167628d2bcace2fa02a579751ee22c9b21047688898a
Manifest6356d33da0625043daba68ec4766051107352a029eff24d8c6a1b32809f940c4

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
SignatureyjB8XumlxMT9TpyModmlQb71RP/XYvBBtq2KrPB8QXC0BhGFfosCqamRlBeMZrFAQKtceqVxFUAEGzcdKEfCCQ==
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

2026-09-17T11:38:08.163709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030405
observed e75ed8f37fac55743cbb167628d2bcac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.145508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030405/manifest.json
observed 6356d33da0625043daba68ec47660511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.129175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030405/publication.md
observed fcf3508f0348d8a223ff445f55f97dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.110107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030405/publication.txt
observed 65197d02697f9469823a083c25a26598...
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.