OpenTechnical

OT-2026-000057997

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000057997) never changes.

Identity and time

Publication numberOT-2026-000057997 · never reused
Internal UUID01a0ae88-6ed9-7363-8427-210f075a95d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057997
StatusPUBLIC

Content hashes

Canonical text93529caec8cf4b8e3b6d93a0f92a030e2e428a5390503414acfc0330b0b92108
Markdownaa0c0dca32f99de853502b01009c9036e717aff180fad68513c65ff180dc8edd
PDF
Publication page450ff689648431cc1b2db57c5be5697de5a43c50ea0df3a1f2253d6de8f6212b
Manifest24abd52fa94e5f3d6eb1146a89a878bdc12ba5dd8e39ca6ce51114787fc2ccb0

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
Signaturem8KXg6MH2u1CA5pnF3zISnwm8RGUCBuYaqpRgcC1vXbYusjBBQS3p2R7uZtcVsvwz/xrP80KuFEu4ky2glhKAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:37.700028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057997
observed 450ff689648431cc1b2db57c5be5697d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.681033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057997/manifest.json
observed 24abd52fa94e5f3d6eb1146a89a878bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.662655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057997/publication.md
observed aa0c0dca32f99de853502b01009c9036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.644743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057997/publication.txt
observed 93529caec8cf4b8e3b6d93a0f92a030e...
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.