OpenTechnical

OT-2026-000080300

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000080300) never changes.

Identity and time

Publication numberOT-2026-000080300 · never reused
Internal UUID01a0ae96-7e77-7c90-bbde-0a927d3be80e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080300
StatusPUBLIC

Content hashes

Canonical text5aac886356776162e3741080f880d39e4d96b00a5745ad91f385fd8de2e8dfc5
Markdown740835836bd575ff2c25c70eda69a60a0534db5e631b2349227d289c0678bfae
PDF
Publication page2c8cf004cb82581343b96ecd8f2c65b2e4d39252cfc7a5ec7ccd8e11ec9f0e16
Manifest2fc5ab26a54c1fb4dd48a2fab83c9ff4cf5519f0c8e7169317958eb3fc77f9ae

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
SignaturebWo+WuwEnvnE7w/p8qPKDGVw4D5SA6NowcnXn+pL/G7cYEAQcyphu3Zq7ZjVGeiMJ8uOgZQRC64hnqYAkDU4DA==
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

2026-09-17T10:02:45.930153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080300
observed 2c8cf004cb82581343b96ecd8f2c65b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.911593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080300/manifest.json
observed 2fc5ab26a54c1fb4dd48a2fab83c9ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.892173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080300/publication.md
observed 740835836bd575ff2c25c70eda69a60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.873305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080300/publication.txt
observed 5aac886356776162e3741080f880d39e...
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.