OpenTechnical

OT-2026-000087652

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000087652) never changes.

Identity and time

Publication numberOT-2026-000087652 · never reused
Internal UUID01a0ae9a-cd53-7c4d-80db-73b357754dab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087652
StatusPUBLIC

Content hashes

Canonical text825d80a540aa9414a3459f1950f124093885ec6864991e22e8c727b46e922960
Markdown23c4af2c7d4549ae0ed7a086838bb3ba0a839cc76f5ac65ea8b696f063c87ecb
PDF
Publication page2811529e171c823fb4ab40d8d94a4666df2a305fad00096a1e0d0296ad07d891
Manifestf94ba2d0545d786545267ade8054c2f61c61313cbffaff1ebb3d01d7e43ab7ba

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
SignatureG+/OWtWQUTdgoxvbxdKF5teULv9lMTWM2GAjBn2vHsB7WHcUKsqj99PCBVcp32lij9xEgUo38ZEGDd3i2G4uCg==
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

2026-09-17T09:50:21.655862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087652
observed 2811529e171c823fb4ab40d8d94a4666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.640094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087652/manifest.json
observed f94ba2d0545d786545267ade8054c2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.622618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087652/publication.md
observed 23c4af2c7d4549ae0ed7a086838bb3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.606146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087652/publication.txt
observed 825d80a540aa9414a3459f1950f12409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.364266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087652
observed 2811529e171c823fb4ab40d8d94a4666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.346865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087652/manifest.json
observed f94ba2d0545d786545267ade8054c2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.330022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087652/publication.md
observed 23c4af2c7d4549ae0ed7a086838bb3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.239103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087652/publication.txt
observed 825d80a540aa9414a3459f1950f12409...
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.