OpenTechnical

OT-2026-000063128

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after set-down

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-2026-000063128) never changes.

Identity and time

Publication numberOT-2026-000063128 · never reused
Internal UUID01a0ae8c-94aa-77e4-a749-46a5f89df7ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063128
StatusPUBLIC

Content hashes

Canonical text133edcb880939ca468ebbad976919a3bbe5fb08449daf93797aadaf40edc1f76
Markdown809ac5025cad78a450f98426bc8c832c7cd97417b0ffcbdd582f205cd1bb22fd
PDF
Publication page99edc2e168f58d9fee16fc97791bb96c5dd3f16ba2c8a186efa5a488af118290
Manifest4c13d1a1e0aa4eab31bc6f5901fafbe55df0c029a7ac3209338ea25cc862a9cf

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
Signature+TCky6DfBVugSdEqEv4XZkKHP6Jksfs65SirvscmYVLWWsqBXjqpq+WLqzI/AW7L7udgToAWtNd5eCZbi7DWAw==
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

2026-09-17T10:38:54.577317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063128
observed 99edc2e168f58d9fee16fc97791bb96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:54.558945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063128/manifest.json
observed 4c13d1a1e0aa4eab31bc6f5901fafbe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:54.541639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063128/publication.md
observed 809ac5025cad78a450f98426bc8c832c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:54.524450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063128/publication.txt
observed 133edcb880939ca468ebbad976919a3b...
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.