OpenTechnical

OT-2026-000069579

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000069579) never changes.

Identity and time

Publication numberOT-2026-000069579 · never reused
Internal UUID01a0ae90-b52b-7e55-a3a4-de14b4c1aa3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069579
StatusPUBLIC

Content hashes

Canonical text48833b22548da117119fa0efdd2e184b6070410941f22d2ed635b7f1974dea83
Markdowncb85dd420062656d6e3af3e4fcc979f39a234d9eb1339ab29f3b1aeeb1290da9
PDF
Publication page083a50f66d1b98a286a14b9bee99e2cfe1b9ff5ac4a5d90860f6f1ed926d2947
Manifest37308b22e0ced2982c48965842aa96ca951879890e420bfbffc77e8542b9275c

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
SignaturesTPS5ol4T/LSyAlmgsNAx6REh6oDf03TYIut5XjHul01cSGGi1+fqeI6qgJ484tfkqcudnWObOi1UJ10P+eQDw==
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

2026-09-17T10:30:42.150517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069579
observed 083a50f66d1b98a286a14b9bee99e2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.131375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069579/manifest.json
observed 37308b22e0ced2982c48965842aa96ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.113883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069579/publication.md
observed cb85dd420062656d6e3af3e4fcc979f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.096278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069579/publication.txt
observed 48833b22548da117119fa0efdd2e184b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.123784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069579
observed 083a50f66d1b98a286a14b9bee99e2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.106419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069579/manifest.json
observed 37308b22e0ced2982c48965842aa96ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.088083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069579/publication.md
observed cb85dd420062656d6e3af3e4fcc979f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:14.069640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069579/publication.txt
observed 48833b22548da117119fa0efdd2e184b...
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.