OpenTechnical

OT-2026-000053756

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000053756) never changes.

Identity and time

Publication numberOT-2026-000053756 · never reused
Internal UUID01a0ae85-735d-78c5-8e4f-a2c54d94937c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053756
StatusPUBLIC

Content hashes

Canonical textb184cf5ba0df41bd38d4768bc9bc06bd4c420831808c91a212c521b66bedb9bd
Markdown7a0b9058b9a3bc08ff13dbb4ffea81ffc7a832f3c2e7c21560bcc12e11d491fb
PDF
Publication page75347bf14acaca6b08caff79e0096c67c9a1f315356d4d439bcad47181bd4c41
Manifest6d3b9d9c9969997630ff3b361a535132710b9ae216e4ad613fca030cb910dd52

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
Signature2BU5UkWV240cwpBA+v4lBe4wys8rDaStsMItS+pIO+97rrJ4wsgcJQoPkBkEvOPcISPCBFmPJKExQUT/1nDDDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:23.513077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053756
observed 75347bf14acaca6b08caff79e0096c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:23.489664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053756/manifest.json
observed 6d3b9d9c9969997630ff3b361a535132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:23.466860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053756/publication.md
observed 7a0b9058b9a3bc08ff13dbb4ffea81ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:23.328430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053756/publication.txt
observed b184cf5ba0df41bd38d4768bc9bc06bd...
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.