OpenTechnical

OT-2026-000079530

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000079530) never changes.

Identity and time

Publication numberOT-2026-000079530 · never reused
Internal UUID01a0ae96-0b91-7629-8911-9ccb0ff8fcd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079530
StatusPUBLIC

Content hashes

Canonical text760f867464612d32661720a50811eafe540e39d5059095f50e5d648e0ef0b13c
Markdownda656a85c93cf319e7af97dcfbee292eae59591335e234961618cec2d75b5cdf
PDF
Publication pageaf7177a21dac7f0670d1c1f179477b633d45d57d2945de1769eac7452de98342
Manifeste6d0046c2768111508c35a51b654409106b8542fd69f66a247ec0f1314c9c5c8

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
Signature7vcjAZmuWjcpZXVXP3IQuow+H42GKvldBYEznckb9wEBEB/qcQdkbxZFyaIGRsTHX1IQDYEfGzt/vtLulnmbAw==
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

2026-09-17T10:05:10.564578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079530
observed af7177a21dac7f0670d1c1f179477b63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.545042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079530/manifest.json
observed e6d0046c2768111508c35a51b6544091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.527152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079530/publication.md
observed da656a85c93cf319e7af97dcfbee292e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.510543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079530/publication.txt
observed 760f867464612d32661720a50811eafe...
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.