OpenTechnical

OT-2026-000061037

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000061037) never changes.

Identity and time

Publication numberOT-2026-000061037 · never reused
Internal UUID01a0ae8b-137d-730b-88af-339b59780c0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061037
StatusPUBLIC

Content hashes

Canonical textf2423cb98aec0f55c29dd6578580ceb25667d4fcab816953c94536cde70357e9
Markdown8405e4d2f771cf4f44eca87911ab16a7eb90d54e5ff115183e7a56e3701b58df
PDF
Publication page1b8c8079deccebec16f9377a92e723d6035b1cfe59b53eb15f0b416a60e1ddb5
Manifest76d89643a5e16423d3b5d4ad2c9be5837b2441526a596d31085526920d3e2984

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
SignatureFOaSRQyOBr40bmwqikzj3dOevyxmUEbzlxFQR3GEwUsDg6ZtuMUXAU9+klhXj8t2I2MvN210ssWjWR+dDQAwCA==
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...

Independent retrieval

2026-09-17T10:42:23.246675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061037
observed 1b8c8079deccebec16f9377a92e723d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.228854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061037/manifest.json
observed 76d89643a5e16423d3b5d4ad2c9be583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.210568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061037/publication.md
observed 8405e4d2f771cf4f44eca87911ab16a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.192077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061037/publication.txt
observed f2423cb98aec0f55c29dd6578580ceb2...
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.