OpenTechnical

OT-2026-000088900

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000088900) never changes.

Identity and time

Publication numberOT-2026-000088900 · never reused
Internal UUID01a0ae9b-8f11-77ec-999f-8d3248903125 · 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-2026-000088900
StatusPUBLIC

Content hashes

Canonical text8e629a4af6a629cfa1b94e50c3a738da48ad79e622f04f81478096fd77af7f6d
Markdownee8ced1dabae80c4c7abb8b421a4b99fb84e05726210b7b5ec588a273be1a8cf
PDF
Publication page855a4438d0fce2d23023e6562b6dc1b1a096c749c14fec8007173a7f488cabc1
Manifest907151a5b81e0dbd59de3eaf58a1733be631a7d1fa4269d2c744a5a0196a60e4

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
SignatureS9Xl7fEbWgW8/XQOG7ZbJox/OXYFYFM2XSzxMFD3q9FhzpS9HY8Gnwxa/BnwRJPwNd1Ko/4HEIwf8o5u50YOBg==
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

2026-09-17T09:48:18.169997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088900
observed 855a4438d0fce2d23023e6562b6dc1b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.153366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088900/manifest.json
observed 907151a5b81e0dbd59de3eaf58a1733b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.136088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088900/publication.md
observed ee8ced1dabae80c4c7abb8b421a4b99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.119300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088900/publication.txt
observed 8e629a4af6a629cfa1b94e50c3a738da...
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.