OpenTechnical

OT-2026-000061685

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000061685) never changes.

Identity and time

Publication numberOT-2026-000061685 · never reused
Internal UUID01a0ae8b-b8aa-7db1-992b-97652400ffa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061685
StatusPUBLIC

Content hashes

Canonical text597882544e684e6f9996ac76e25272666ef4766f6695998ea658d09eaab7dd44
Markdown7032bd74b9e42235aa48ebe3366b888aa0c56ddc2bd4c488b70c431caf52f02b
PDF
Publication page88313dd1e92d02c8ec0c8766c0ce700c035b7b0ba191026551a46d99f140731f
Manifestdeab323ec4a09744d4bf32d31bea942dc8120779cc11e6a7947f4379cc74df60

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
SignatureoKea6VCblUmsJoXglBaGBkAWzYHfM15hWfUSUrs2DMHP0SX4R4ufTmfk3EurS/bTd7aDn9Ph5bHn2/MPH+kOAw==
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

2026-09-17T10:40:14.692327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061685
observed 88313dd1e92d02c8ec0c8766c0ce700c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.674079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061685/manifest.json
observed deab323ec4a09744d4bf32d31bea942d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.654407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061685/publication.md
observed 7032bd74b9e42235aa48ebe3366b888a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.635201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061685/publication.txt
observed 597882544e684e6f9996ac76e2527266...
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.