OpenTechnical

OT-2026-000039185

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039185) never changes.

Identity and time

Publication numberOT-2026-000039185 · never reused
Internal UUID01a0ae78-9673-7709-9062-63ae47b5510d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039185
StatusPUBLIC

Content hashes

Canonical textdf76c8874064a2e533002d1e9885ebfaab2c01717e69a04f97c88a1332614a87
Markdown243f3246df51c0461a46724beb964634f6603b7e8631d26b42c28015a28ba81d
PDF
Publication page38f913d7ecbae1f923c3034fb26d9d1c7dbcabed9c2a9c38eca1a083e7b6668e
Manifest25802d334f73dc2a100240b5894d0bcffe1224734231272c1a06666e035bd4db

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
SignatureYW6DFcrnQh47DK2Fbj8Tc7f1K+GBMUuL+px0y5t+o2cwruiIwOug4jQp0Mu27TIHVX5YQmz29xwmwl9j2JYbBw==
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

2026-09-17T11:20:43.048186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039185
observed 38f913d7ecbae1f923c3034fb26d9d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.029519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039185/manifest.json
observed 25802d334f73dc2a100240b5894d0bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:43.011720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039185/publication.md
observed 243f3246df51c0461a46724beb964634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:42.993849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039185/publication.txt
observed df76c8874064a2e533002d1e9885ebfa...
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.