OpenTechnical

OT-2026-000088665

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000088665) never changes.

Identity and time

Publication numberOT-2026-000088665 · never reused
Internal UUID01a0ae9b-8f0f-719c-99db-795e3f09a149 · 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-2026-000088665
StatusPUBLIC

Content hashes

Canonical texte1ef836bfc97b52f879594550d3f342002c3af7f716bd86b68925c484d36a35c
Markdowna0913c0af85d2e7105e64b13c63d288820cedf79d0e5606b1c84522a9081a7a1
PDF
Publication page78141ecc7d92c56a97b4581d57debbfe76eec4454f72cd9c55e7859e14f486fc
Manifest2b8dfa1089032dfb93b9498fd69b660d7979b738044deb523368be46b62994ac

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
SignaturehkOC3CHTsg5r73uliLYRmqMXsXTYx5eeVq4iadu0zA6EZky4x16KMMLi2ukUbpr979hGhuHHoWx2Yl7hJ+VsDA==
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

2026-09-17T09:47:53.582233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088665
observed 78141ecc7d92c56a97b4581d57debbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.564626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088665/manifest.json
observed 2b8dfa1089032dfb93b9498fd69b660d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.545357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088665/publication.md
observed a0913c0af85d2e7105e64b13c63d2888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.529091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088665/publication.txt
observed e1ef836bfc97b52f879594550d3f3420...
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.