OpenTechnical

OT-2026-000091357

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091357) never changes.

Identity and time

Publication numberOT-2026-000091357 · never reused
Internal UUID01a0ae9c-f16c-790e-94f6-40513112c0ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091357
StatusPUBLIC

Content hashes

Canonical text26e5cdaf478dc2a404302fc97d96efce455fe08f2e62fe03a39c479a22ffdba3
Markdown7f56e9254195f49667b4a58e723293850a98c18da4860af50153eea29b565381
PDF
Publication page84e718e2390953550e92110e1eccef763f99746449da68db2e11d6f0cd464996
Manifestb8f88425dea3c61d690a194a981d09c2422d2e830492ab8c06bf2df3a8d810d1

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
SignatureqwEtrVWp+FjhFwPK11hjmHXdxm6hmNYo1SL7VbK/j0PB5vQwQl55AhC1MKjmFcDSN1jF5tVRA3TpCmAX9QFUBA==
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

2026-09-17T09:43:34.313753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091357
observed 84e718e2390953550e92110e1eccef76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.295094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091357/manifest.json
observed b8f88425dea3c61d690a194a981d09c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.276756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091357/publication.md
observed 7f56e9254195f49667b4a58e72329385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.258793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091357/publication.txt
observed 26e5cdaf478dc2a404302fc97d96efce...
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.