OpenTechnical

OT-2026-000036047

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000036047) never changes.

Identity and time

Publication numberOT-2026-000036047 · never reused
Internal UUID01a0ae77-01cd-7390-913c-7294fd501ff8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036047
StatusPUBLIC

Content hashes

Canonical text504f0b43360cf4096c30d2dc89c8b6a3a6e36233290c1fb0842f8a0996682f62
Markdownf981060179f51b389e4960062b9e5585ce93c5ae53cff2591bec226db7707a16
PDF
Publication page15445aea4f618ab9e6dd8962c4bf779000ccc32a8ed3252ca47cd6f75f7f0693
Manifest24c59b0f727960e0e2afacd738f98d71afa55af45fb9870fe976313c8b3867ae

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
SignaturerAr3udlZMFigbeOz8iuMxFtSbqSn9R8JdDQEqo5/kaTtMiPlhel2JmkCf65O/iA4H20xoJC5yk3DKhAtl7I9BA==
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

2026-09-17T11:26:13.756644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036047
observed 15445aea4f618ab9e6dd8962c4bf7790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:13.741027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036047/manifest.json
observed 24c59b0f727960e0e2afacd738f98d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:13.724463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036047/publication.md
observed f981060179f51b389e4960062b9e5585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:13.707892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036047/publication.txt
observed 504f0b43360cf4096c30d2dc89c8b6a3...
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.