OpenTechnical

OT-2026-000030956

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000030956) never changes.

Identity and time

Publication numberOT-2026-000030956 · never reused
Internal UUID01a0ae74-3fb6-770d-9bf2-6cce2647a52c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030956
StatusPUBLIC

Content hashes

Canonical text2d5477ebd90f6014697f1f719baf920eea966864786532e84743aeb1e22f3641
Markdown2d0a84834c79b68afd983e1b11f2b50857bef7ccccac9c8f4c029cbaff932c35
PDF
Publication pageb08ad6e2ba0dc350a2ca022cccca7fd7c2bd81cb6337331870316bff00754e8b
Manifest5829d9e655ea4c64a5acb9894101c9f3370bb48165039e1b9ada1fee611ad88e

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
Signature6hfdkAtk0cZaXmHgiw/7mS4a/7Zqh45tn9VKahoNClDjF9G6rKcC6mw50z5Jo5+AQreF4nYlHzq6k36kUkaDCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:36:57.413023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030956
observed b08ad6e2ba0dc350a2ca022cccca7fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:57.394920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030956/manifest.json
observed 5829d9e655ea4c64a5acb9894101c9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:57.372283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030956/publication.md
observed 2d0a84834c79b68afd983e1b11f2b508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:57.354231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030956/publication.txt
observed 2d5477ebd90f6014697f1f719baf920e...
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.