OpenTechnical

OT-2026-000089275

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089275) never changes.

Identity and time

Publication numberOT-2026-000089275 · never reused
Internal UUID01a0ae9b-db01-7e28-81a5-587ce5fa484c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089275
StatusPUBLIC

Content hashes

Canonical text8bb0f9f1ee59652e0e01a67cb2ea0d4418945b1a1c70b73c60f08b9eae6da43d
Markdown7c72066b72e267be789a4e35f461a2740cfc14c86c833165a885509f0f8ed9ce
PDF
Publication page1bf75f52b533607726ef75eee2052a7d67b5e94631897f8ee540b4e2ee60866a
Manifest14809ed9c8ba60dd9c577700c73f056518953c8355d8e86831d9cd8f4204858e

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
SignaturemrFU6ZAS6J/rEmbc/PqqNM6ecB+qbIdxBnQ89uhn1/dpRyjKDA19XqCFsYrq4x6LGmpJC8s3PCZRDasbiA+QCQ==
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

2026-09-17T09:47:18.983397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089275
observed 1bf75f52b533607726ef75eee2052a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.965552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089275/manifest.json
observed 14809ed9c8ba60dd9c577700c73f0565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.947809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089275/publication.md
observed 7c72066b72e267be789a4e35f461a274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.928833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089275/publication.txt
observed 8bb0f9f1ee59652e0e01a67cb2ea0d44...
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.