OpenTechnical

OT-2026-000051491

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000051491) never changes.

Identity and time

Publication numberOT-2026-000051491 · never reused
Internal UUID01a0ae83-7c80-7381-b25f-c3bd96ec7480 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051491
StatusPUBLIC

Content hashes

Canonical textb6dda0757182be3c033aadce9db4f87825fede97cb4bc7da52ba73667c43cb35
Markdown40e209be3dea644c5f3f19024398642adfcad674cafc9ee2ba967fb061ae1236
PDF
Publication page07d877271db341d8473b444a774840ebdd9d525ff4cde701051c9576f431329a
Manifestd8f0dd63d46d5ed9023b56dfe11ded0c4e137119105460eaf4c279a1825fa053

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
SignaturevtMqrDFs9dUv3f+RFZTgC344C8H+6Yxyb5rrOhknA+6jVhPQBwB5xG7FjYvXi0fRYcXLjw6wYr+DRGEwuqsAAg==
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

2026-09-17T10:58:18.227726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051491
observed 07d877271db341d8473b444a774840eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:18.206896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051491/manifest.json
observed d8f0dd63d46d5ed9023b56dfe11ded0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:18.188326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051491/publication.md
observed 40e209be3dea644c5f3f19024398642a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:18.167680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051491/publication.txt
observed b6dda0757182be3c033aadce9db4f878...
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.