OpenTechnical

OT-2026-000071542

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000071542) never changes.

Identity and time

Publication numberOT-2026-000071542 · never reused
Internal UUID01a0ae91-e0ee-77a9-abe5-82c510facb50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071542
StatusPUBLIC

Content hashes

Canonical text1e0055265344d219f214077b32a3ca4b4df48138ae75c73978e1011f428c0a22
Markdown67246eee067d67fa5c43cba932ae6464d1d1b4ec71cc45fffcd0b70a779c3397
PDF
Publication pageaf3b1677aeb3829e1ac519eb90c7914e96a362cfb19756d486b7b661b939e54e
Manifest4d10c28054454540037b0560cd430457210e13f28ec92e153f4a4e9d8e4f16a2

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
Signaturevkgix9FYCmlB3xwYq2ATHvGApDyGeNxKeRX9fptQ2dBVcOzi4Xw5O2RfeanJTbpUqgYqFkavRHqkfwifSoW9BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:11.704515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071542
observed af3b1677aeb3829e1ac519eb90c7914e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.687725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071542/manifest.json
observed 4d10c28054454540037b0560cd430457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.671825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071542/publication.md
observed 67246eee067d67fa5c43cba932ae6464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.655143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071542/publication.txt
observed 1e0055265344d219f214077b32a3ca4b...
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.