OpenTechnical

OT-2026-000038320

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000038320) never changes.

Identity and time

Publication numberOT-2026-000038320 · never reused
Internal UUID01a0ae78-2d51-70b3-b360-59d4742f5a08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038320
StatusPUBLIC

Content hashes

Canonical text019cafadd2510a804d42e02c3eb2909e19cf3713dfcb115ff51cfbac769e4ef2
Markdown3569b88a212dca59b5e1eada6ed7ecf0729060f262ee82b2e2f07b53665ae27f
PDF
Publication page538547d6ca217615ea2dd5aec25b80cb86da6a4f93e95343c5c8754821be7ad4
Manifestdf865c2fd925fea1b496c33090d6e9b4e2144a7e7f1911f825c8ed44be530564

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
SignatureVwO9r0omcZnLelBogNrWaPFXXl6BvSJYaXg1RgQbV0EdvMj1kIVWRPvBhRqVeO4u9DXZAkH+vse9ZVESyU6DCQ==
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

2026-09-17T11:22:30.025105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038320
observed 538547d6ca217615ea2dd5aec25b80cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:30.006451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038320/manifest.json
observed df865c2fd925fea1b496c33090d6e9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.984846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038320/publication.md
observed 3569b88a212dca59b5e1eada6ed7ecf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.964427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038320/publication.txt
observed 019cafadd2510a804d42e02c3eb2909e...
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.