OpenTechnical

OT-2026-000071828

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000071828) never changes.

Identity and time

Publication numberOT-2026-000071828 · never reused
Internal UUID01a0ae92-1e92-7834-97fc-595890b98895 · 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-2026-000071828
StatusPUBLIC

Content hashes

Canonical text0ed2e15ca202df3cae305c3483a08ba8a60747e366c6247e8065801ebf8d917f
Markdown73bb3856d8998e3d04c99a5b7ed1d84fd563c4235683aa5805413e02233c0da1
PDF
Publication page3f110cc3f5b48191ce7ff88a65998405e63ca7e8b64aa7fdef95b70b4493f284
Manifestb57f6a6f5c5632d207d39174467c31499c4a9a58f4f91a3acf1cb2c5515c6011

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
SignatureiqquhAn7MYNdTkDbPyT7oiBDB+QauVdJ+bV1EgFZZyh1ji72Yj9B+YtJ0V4UN5yPwy0ZFF83MII0Qq/JYSkGBA==
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

2026-09-17T10:24:00.207625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071828
observed 3f110cc3f5b48191ce7ff88a65998405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.190002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071828/manifest.json
observed b57f6a6f5c5632d207d39174467c3149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.172278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071828/publication.md
observed 73bb3856d8998e3d04c99a5b7ed1d84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.156067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071828/publication.txt
observed 0ed2e15ca202df3cae305c3483a08ba8...
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.