OpenTechnical

OT-2026-000070879

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000070879) never changes.

Identity and time

Publication numberOT-2026-000070879 · never reused
Internal UUID01a0ae91-8c2d-7375-971a-6f819004e0c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070879
StatusPUBLIC

Content hashes

Canonical text0d838fa0b4a6df82a65da627752e297a71569c3f205060dcaf0b235eb37ea67d
Markdownb2f6cc2cf9e4bda1eb4eb62679f3c7d24f8a9f851ec433ca509314a7b9b3b63e
PDF
Publication page6d2eba902fab729c949d7ef1cbc930de34130ad88e4f2b9e8eae62943e057b01
Manifest66a3a4927521033f63e425ca3f11a7a6f0b9c2bdc109f5275caea685966a1ec2

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
Signature/dDVFD7F0S1RWlDoo3YIBWAZGj727uR8sL6iwxjAJtStAb6F/bm1n70hmbXj9WHqnNCDy2sTk20ZVK4IpY4FDw==
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

2026-09-17T10:25:42.195429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070879
observed 6d2eba902fab729c949d7ef1cbc930de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.177953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070879/manifest.json
observed 66a3a4927521033f63e425ca3f11a7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.160244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070879/publication.md
observed b2f6cc2cf9e4bda1eb4eb62679f3c7d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.143789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070879/publication.txt
observed 0d838fa0b4a6df82a65da627752e297a...
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.