OpenTechnical

OT-2026-000058175

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000058175) never changes.

Identity and time

Publication numberOT-2026-000058175 · never reused
Internal UUID01a0ae88-6edb-7db3-baec-a2989eb81822 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058175
StatusPUBLIC

Content hashes

Canonical text7fecf0d5b0d7486232bb058bd9f3fd22a4ef09686a4d11f0b53307760766eb4e
Markdown4f0f26e1656e45a50bb2638dc466e53dea933e5db5646c91373aaff4e3e88bb8
PDF
Publication page2e97410e17ecbb42901392d46c10e2d1b39f6e4561b707354f937b90942c2252
Manifest5a2a957a6c3f3cf837b3aa83df96c334c13c5444f30e9197ea277959fbd63383

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
Signature+AewUvQX38Qs8KZt9bDzQFod0s9xxBoAuCLLfsfMvxefuXjtsXF1zs76wmiV3U4DllOGKb4x0Gn0O31s0lSiBA==
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

2026-09-17T10:47:52.829799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058175
observed 2e97410e17ecbb42901392d46c10e2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.811615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058175/manifest.json
observed 5a2a957a6c3f3cf837b3aa83df96c334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.793168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058175/publication.md
observed 4f0f26e1656e45a50bb2638dc466e53d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.775135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058175/publication.txt
observed 7fecf0d5b0d7486232bb058bd9f3fd22...
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.