OpenTechnical

OT-2026-000069783

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000069783) never changes.

Identity and time

Publication numberOT-2026-000069783 · never reused
Internal UUID01a0ae91-185f-7a23-9e53-589323f61b62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069783
StatusPUBLIC

Content hashes

Canonical text3a84e4ffa6771b845642674179cca78c7c7ecc2e0f45ee764dc6492411ee2f8e
Markdownb8ab62d78cf1fa95bd8ceaad3f49c459abbc78cd9d2802d8c089cf95ad12751e
PDF
Publication pagea57b018c927ec342ed5246c10ce556c5ecdb2fd0a20b78379de6b82070fb808a
Manifest1ec2542c2148b17b9d3cb4ef9e9b709c0a43c1b97fec7b419894a408686b0d12

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
SignatureD900cJHlO0bDQ+OS1tsCbRl11feSkJP4qRRZsOFO4By47rGYWQT1E0DAJxzZKgHvJCC6ZCE+bqjK5TG1C43vAg==
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

2026-09-17T10:26:36.827341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069783
observed a57b018c927ec342ed5246c10ce556c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.807836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069783/manifest.json
observed 1ec2542c2148b17b9d3cb4ef9e9b709c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.790230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069783/publication.md
observed b8ab62d78cf1fa95bd8ceaad3f49c459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.769486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069783/publication.txt
observed 3a84e4ffa6771b845642674179cca78c...
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.