OpenTechnical

OT-2026-000025693

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025693) never changes.

Identity and time

Publication numberOT-2026-000025693 · never reused
Internal UUID01a0ae71-9bca-7a30-9856-71524eca3b3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025693
StatusPUBLIC

Content hashes

Canonical text7ebe7721a50f1bc9463fca0cf006b0696c7714468964e339f13c896ec9ce0735
Markdownfcc183e563d5c8c909bf3d3e96a7750ecdf93c7d25c6de1e2619fb4f2357e523
PDF
Publication page11a9e7b87991e6d7fc5a2b7c418b248ae56fab774501036e3538fabc8af728fa
Manifest955322a7dd61fc6f1d08916471212bef3b066e0b9b553855e181f1c5e8c98e10

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
Signature43lnNhDsAMPCdbCnsjtJ0Z2xYL3ikBLyjeYLdQZRPm9DRTUbT/WUftwSiJjLIZXE4zdG4U1yxlUPxaBbpyGNCg==
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

2026-09-17T11:46:54.366255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025693
observed 11a9e7b87991e6d7fc5a2b7c418b248a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.347352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025693/manifest.json
observed 955322a7dd61fc6f1d08916471212bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.325579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025693/publication.md
observed fcc183e563d5c8c909bf3d3e96a7750e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.308507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025693/publication.txt
observed 7ebe7721a50f1bc9463fca0cf006b069...
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.