OpenTechnical

OT-2026-000072606

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072606) never changes.

Identity and time

Publication numberOT-2026-000072606 · never reused
Internal UUID01a0ae92-89d9-7ec9-af81-53738fdd3764 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072606
StatusPUBLIC

Content hashes

Canonical text6409291a7cf1ac8b5de8123c6b43f08fd6395cb4570dcfc6a52bfd2e1983fd70
Markdown289e39f27aefed88f6f15302176f05dedfcb763f4e4c1f3558c89b09ad4dfa74
PDF
Publication page7c3cc83bc243a4010dfb5d76278210779df0777b68e0acf55e9b5f55cfb2f209
Manifest2e876fc3e75eaeee7e5e0de2565e176be41da6a70a50810439ab21ed455675d7

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
SignatureUppnF8b6y0NbmObDf/X0XVdNZZFZt+speaYRZPCO4u0udGRoaWoUbLqd0f67QBOQd/dRyAM8VnVqx8MCysx6BQ==
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

2026-09-17T10:22:27.227673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072606
observed 7c3cc83bc243a4010dfb5d7627821077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.211678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072606/manifest.json
observed 2e876fc3e75eaeee7e5e0de2565e176b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.194989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072606/publication.md
observed 289e39f27aefed88f6f15302176f05de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:27.177431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072606/publication.txt
observed 6409291a7cf1ac8b5de8123c6b43f08f...
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.