OpenTechnical

OT-2026-000080578

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000080578) never changes.

Identity and time

Publication numberOT-2026-000080578 · never reused
Internal UUID01a0ae96-7e79-7bda-876d-f6e6e75bf46d · 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-2026-000080578
StatusPUBLIC

Content hashes

Canonical textbe7c197519433c5996a52856eec0f58d6178eca7a2fee854a655710d118254d1
Markdown2c9da13fc65212353edaa2788c2a0c460333b7c8a66ede338399c6b6d2d38495
PDF
Publication page02b3435f5a69e7e17aa84f1552975d171e1385edd2aa7acfde0472d5c1131d4e
Manifest767204b63389629639e7c484e6d1f8fde680474cc31cf099a1f4612ea5157816

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
SignatureVth+mtsY+jiJ1oMh4flg1twuyfwUakaZu0atYHy15rF89MYh3pxNJ1NG4CZ5G61u0vdJXGug4P5vMGgXe+v7BQ==
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

2026-09-17T10:03:12.774976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080578
observed 02b3435f5a69e7e17aa84f1552975d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.757708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080578/manifest.json
observed 767204b63389629639e7c484e6d1f8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.741446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080578/publication.md
observed 2c9da13fc65212353edaa2788c2a0c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.723036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080578/publication.txt
observed be7c197519433c5996a52856eec0f58d...
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.