OpenTechnical

OT-2026-000080870

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000080870) never changes.

Identity and time

Publication numberOT-2026-000080870 · never reused
Internal UUID01a0ae96-b974-78e0-b217-0ed1789b2e31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080870
StatusPUBLIC

Content hashes

Canonical textf1324bb4b603e6108fae68b27c23575db0e9cc8d8547f00533bd6046e4ef04c3
Markdown3383180f458e72af2d43751178adeba048fe8b93536419ba1879a312024ca176
PDF
Publication page0247f5a822b3c468252293727915f43eb6188cf30958cc327de37f32d5a21850
Manifest780c07434783e190ee066c25ee87674768d89adb60255ef4f7531c22895c70a8

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
SignatureC7MJJFdLQ5UMz4VfsOfq18j0rGIadH8xaZfN8hsYuZVZkDD+gMYayGz/xDjsChnry9E8Vq6zpcbY7BAcIYWGDA==
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

2026-09-17T10:02:04.008992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080870
observed 0247f5a822b3c468252293727915f43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.990809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080870/manifest.json
observed 780c07434783e190ee066c25ee876747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.973103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080870/publication.md
observed 3383180f458e72af2d43751178adeba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.955587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080870/publication.txt
observed f1324bb4b603e6108fae68b27c23575d...
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.