OpenTechnical

OT-2026-000068056

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000068056) never changes.

Identity and time

Publication numberOT-2026-000068056 · never reused
Internal UUID01a0ae8f-c4fe-7f54-9dff-23f46d41b59b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068056
StatusPUBLIC

Content hashes

Canonical text0dd9d761021cda664c404e9e7f86f246a31a34ff54a18460f84342656f4c67e4
Markdown030ea331294f4638eb0152ca29b893515ff6507c0e5f934509c7d713416e8ade
PDF
Publication page2ccbfef22a7d50b0e41b9078d9508ca1154721e614daa760ce4751d5522c0e29
Manifest242fa838a3aa4a5f89c6719d7e25f8342e4ed32145348f099227040bbbe56e8f

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
SignatureonEvEphhAhg1Tp5tdXSzT5WtxJFgn/oj4NLU+bTp1mYV7zA3ZfkYush2U4dS2L+O4D4Ojcd4W8mRrOBs+ZFxBA==
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

2026-09-17T10:30:37.552744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068056
observed 2ccbfef22a7d50b0e41b9078d9508ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.532767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068056/manifest.json
observed 242fa838a3aa4a5f89c6719d7e25f834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.511828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068056/publication.md
observed 030ea331294f4638eb0152ca29b89351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.489445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068056/publication.txt
observed 0dd9d761021cda664c404e9e7f86f246...
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.