OpenTechnical

OT-2026-000088555

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000088555) never changes.

Identity and time

Publication numberOT-2026-000088555 · never reused
Internal UUID01a0ae9b-8f0e-724a-84cc-b5f8958493c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088555
StatusPUBLIC

Content hashes

Canonical textf5ef127878559fce5b9440455253abdea90334367603d0e6af0c4dd092cd651f
Markdown719aeb25cce57a48e0f58c03c25f682b507512416b8913ab59c0fd5d8d1bbbaf
PDF
Publication pageddda9c72ac238f5c1d339e7e97b3e2482c8d79747909a715b9d0fd44bd3bf876
Manifest69e6ac42aab87bc2d1b51aade00d020774d8115f610fd05b0e3b91ec3c8f9ef9

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
SignatureCzUIo+dTER214JFtJ/cm2KpiQQtiZAmJGQRV2elXeUVY18B1766Adgd/0gEx7YA6tnYDuJyA3C6nFkEfwx3oCg==
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

2026-09-17T09:47:43.745915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088555
observed ddda9c72ac238f5c1d339e7e97b3e248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.726288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088555/manifest.json
observed 69e6ac42aab87bc2d1b51aade00d0207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.707557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088555/publication.md
observed 719aeb25cce57a48e0f58c03c25f682b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.688062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088555/publication.txt
observed f5ef127878559fce5b9440455253abde...
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.