OpenTechnical

OT-2026-000009274

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000009274) never changes.

Identity and time

Publication numberOT-2026-000009274 · never reused
Internal UUID01a0ae6b-31ba-7d71-a896-6f7281cbcb8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009274
StatusPUBLIC

Content hashes

Canonical textef50b78a8f735ef679da28a65e743a947a38eca9e4fb168810af09ffefd2d86f
Markdown9031ee1ab9be8881d26742a93c3e65b612d8c8299ce4aeb139105cd7efb3cd6f
PDF
Publication page092b94805e65f0b865558a666757463aee3e0f46bc95b1991532c21a185a6598
Manifest300c05bfdcb2b722c4bb56bd745e103923b8735c0402cd8fc0c3d5df649a0841

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
SignatureRiYxXJfQ3by6c0EtWOthyuwtcCwqz+7XmUxe97xIe8rxQu8EsqJXK6YpoS97lDcDnteB1u+IoUWy+Fir4qDRAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:02.247056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009274
observed 092b94805e65f0b865558a666757463a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:02.226331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009274/manifest.json
observed 300c05bfdcb2b722c4bb56bd745e1039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:02.205918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009274/publication.md
observed 9031ee1ab9be8881d26742a93c3e65b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:02.185470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009274/publication.txt
observed ef50b78a8f735ef679da28a65e743a94...
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.