OpenTechnical

OT-2026-000069504

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000069504) never changes.

Identity and time

Publication numberOT-2026-000069504 · never reused
Internal UUID01a0ae90-b52b-7880-993a-fd5b2fb3350f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069504
StatusPUBLIC

Content hashes

Canonical textc89ed421a50f7af6d5cf75564e499c4105b29aa53546f1a847dae4d4185084e0
Markdown9ce648b33ccfe6fbbf5911104cbfd5d07856c5289c5af03847c61509ce7baa90
PDF
Publication page97c035e602cbdfd2e0bd6d114f03f48f381b2163a039327a81745081fa29e32c
Manifest0d2fe5c1edd65cdd0c26444132db5a856d6e02be5b7ce98d10ed0fab8ff40728

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
SignaturerOICsL6g/fvczJaAmaj1b+9ofioONDDD4Khn5aDQRlH9uwFM9hSHa1jwde3ox+pWxItXFkqGRsov2m8KUVyMAg==
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

2026-09-17T10:30:35.316018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069504
observed 97c035e602cbdfd2e0bd6d114f03f48f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.299242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069504/manifest.json
observed 0d2fe5c1edd65cdd0c26444132db5a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.280924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069504/publication.md
observed 9ce648b33ccfe6fbbf5911104cbfd5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.263429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069504/publication.txt
observed c89ed421a50f7af6d5cf75564e499c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.224855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069504
observed 97c035e602cbdfd2e0bd6d114f03f48f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.207781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069504/manifest.json
observed 0d2fe5c1edd65cdd0c26444132db5a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.189811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069504/publication.md
observed 9ce648b33ccfe6fbbf5911104cbfd5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.173876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069504/publication.txt
observed c89ed421a50f7af6d5cf75564e499c41...
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.