OpenTechnical

OT-2026-000071871

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071871) never changes.

Identity and time

Publication numberOT-2026-000071871 · never reused
Internal UUID01a0ae92-1e92-7619-bf1e-1e7fdb132684 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071871
StatusPUBLIC

Content hashes

Canonical text0e79c1053a420da3d2ed88ffb9da537ca7332b9cbbbbe736d70a9d63cfe4de10
Markdownbcbe6232cb4a247aa1fba5105077a3da5b19e519f6d941ec38365554ad36cc0f
PDF
Publication page6156f165afefe5e2e296c8ac2e8e0f569e674dd60eb99ff7dfaeaf4323a890b2
Manifest31f3342a49cf682f98e9d2ef2e53202a74d9c1f6753bd91461982ada3d92e3c2

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
SignatureIkl6YjCrAUK5yeYwBD9hlK39p+GhJiJwSSQrSjJVheDmpjZdT72f8MpTvavZS/ngpGpL/MedqwkUmlYCRWgYDA==
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

2026-09-17T10:24:34.374483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071871
observed 6156f165afefe5e2e296c8ac2e8e0f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.357841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071871/manifest.json
observed 31f3342a49cf682f98e9d2ef2e53202a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.339645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071871/publication.md
observed bcbe6232cb4a247aa1fba5105077a3da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.322730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071871/publication.txt
observed 0e79c1053a420da3d2ed88ffb9da537c...
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.