OpenTechnical

OT-2026-000080030

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000080030) never changes.

Identity and time

Publication numberOT-2026-000080030 · never reused
Internal UUID01a0ae96-4377-723c-a0cc-f6fff916cf56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080030
StatusPUBLIC

Content hashes

Canonical text203b027be514e4115e3f0b350ebfc31b8c3be782646d4e4d5a6bce785394c5f4
Markdown85d17d77f0c4dd5ba70c1b058fbaacc7453fb2db487fb8979ad1fc6f172363dd
PDF
Publication page122605fdec6606454e494087c867f08853c5c79279254f1d5bdf90f7db259d13
Manifest8e44e1f3ec6a5be812f7a0bc1084bd389a99ff2739621db7451a08cdb6e0249a

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
SignaturesOS1zGZpdeS+6vmKXgnp2VSzLJqj6mZtbLqhhSK2fSlVr2pyyL1ZLC9A7mdJvkRxLAxcYrixjizA7eIp9TP4BA==
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

2026-09-17T10:03:57.187293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080030
observed 122605fdec6606454e494087c867f088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:57.168406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080030/manifest.json
observed 8e44e1f3ec6a5be812f7a0bc1084bd38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:57.150583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080030/publication.md
observed 85d17d77f0c4dd5ba70c1b058fbaacc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:57.131752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080030/publication.txt
observed 203b027be514e4115e3f0b350ebfc31b...
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.