OpenTechnical

OT-2026-000027830

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027830) never changes.

Identity and time

Publication numberOT-2026-000027830 · never reused
Internal UUID01a0ae72-a4a5-7b6e-9f17-12cd0e9ff9ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027830
StatusPUBLIC

Content hashes

Canonical textb3e6d0e6b5bf6dd4438f00971ba73d7137a67221771c88c332d1c38b9adfc5cf
Markdown01bb675e9d63d755ba74d72c0871048e03542ca12022f196e64c61acc4d993e1
PDF
Publication pagedfc607395bb8284bfe35690b3603f25028ae022ee687282a3e6bb2eeca467b29
Manifest50a7d0de00efa23a8d3ad422c45d99231ac0d021451a4b90310253046f87fa71

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
SignatureNPDG8FvVuF3XEfD8739jukIqWQccuioEPqzHWOU5gmPa3/bBPGLKG40WEFOtcZLqepkvTV2jvQsoH9KHT8wZDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:41:53.038107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027830
observed dfc607395bb8284bfe35690b3603f250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.018275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027830/manifest.json
observed 50a7d0de00efa23a8d3ad422c45d9923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.999141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027830/publication.md
observed 01bb675e9d63d755ba74d72c0871048e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.982485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027830/publication.txt
observed b3e6d0e6b5bf6dd4438f00971ba73d71...
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.