OpenTechnical

OT-2026-000072128

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000072128) never changes.

Identity and time

Publication numberOT-2026-000072128 · never reused
Internal UUID01a0ae92-47c1-7ce0-a632-86bbbdbc18b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072128
StatusPUBLIC

Content hashes

Canonical textc2604280a29cd1c4680c2050f204dc8bb3763a2adcd303fac792971478b14868
Markdownc601d9ad745322614cd0a5e16ea58a77f972442a3f53aa311732c0b1f8e4bba0
PDF
Publication pageb6f8ae6ff5d27bc0562de918a6f43605293cc6ced21a00149681a7c47ab7711d
Manifest784d622414da363c6df7a43569cc79b18255d9ec62b182947291aa6443de6f93

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
Signature6v7yfX1dWf0MqRl270h8lU6slT9FEqznmq5nrm5FrX3H9zN8S3zPS4+lRtQfLvu2LAOC6hLr3iTIthSg4OHBDw==
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

2026-09-17T10:23:13.056802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072128
observed b6f8ae6ff5d27bc0562de918a6f43605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.037318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072128/manifest.json
observed 784d622414da363c6df7a43569cc79b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.018772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072128/publication.md
observed c601d9ad745322614cd0a5e16ea58a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.000539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072128/publication.txt
observed c2604280a29cd1c4680c2050f204dc8b...
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.