OpenTechnical

OT-2026-000056993

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000056993) never changes.

Identity and time

Publication numberOT-2026-000056993 · never reused
Internal UUID01a0ae87-d5b5-79a0-b60f-ace46936fdc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056993
StatusPUBLIC

Content hashes

Canonical text0d7413d04a7794198276f64d87551571222625fd6f687bd00bbcc3da1b781594
Markdownac6487ccf7323c1d58cb23e48c26ea657d49b8f2aa6171713c5a06fd97e2870a
PDF
Publication page40c4c11df0314f796adb8c28d5368955e837ad00e1ab920ee27a018b98102688
Manifestef958cd818cc345e36df9c1ba4cf8e33fbb4d935fc4b0eaa4dbee6368df779a4

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
Signaturep5CRDf5bqYAH1Zyxx6+7yZAek79lOumnC6AVkLRck7YUWhFnfDjzU//pIFW/oqq+0v5q6ibKa9bUVpDOWCXCBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:27.873199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056993
observed 40c4c11df0314f796adb8c28d5368955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.851722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056993/manifest.json
observed ef958cd818cc345e36df9c1ba4cf8e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.834076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056993/publication.md
observed ac6487ccf7323c1d58cb23e48c26ea65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.815794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056993/publication.txt
observed 0d7413d04a7794198276f64d87551571...
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.