OpenTechnical

OT-2026-000007748

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000007748) never changes.

Identity and time

Publication numberOT-2026-000007748 · never reused
Internal UUID01a0ae62-843f-7d4d-b69d-c6b143040f2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007748
StatusPUBLIC

Content hashes

Canonical text760fe8767ae2fe1ceedd16290bb21c15c6a00da7d5ebc2e0e6507a6537dd8553
Markdown9128ea660c781d0944b6ff17971dcb23f90a1dd38936c09f1b3ae307d3166aea
PDF
Publication pagea05919be8c134ce81e61d50ba3222fcc8df8852dd0062e8f5773c8ac41a18f18
Manifesta545d61cb7307717de533f33feabbc374a6906b14674b22be02ab386c2a92ddb

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
SignatureIQqekQVaYtn0/nkCY5IW5wzx41LZGl2rxUBsIGkIcdfXy1gxAzQZlTKRHLjnlt7L8mr9tMmwP9kKxvXtGx2JBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:08.587910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007748
observed a05919be8c134ce81e61d50ba3222fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.570318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007748/manifest.json
observed a545d61cb7307717de533f33feabbc37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.551767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007748/publication.md
observed 9128ea660c781d0944b6ff17971dcb23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.533610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007748/publication.txt
observed 760fe8767ae2fe1ceedd16290bb21c15...
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.