OpenTechnical

OT-2026-000074409

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold 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-2026-000074409) never changes.

Identity and time

Publication numberOT-2026-000074409 · never reused
Internal UUID01a0ae93-717a-76ce-8d34-4d0d455afc00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074409
StatusPUBLIC

Content hashes

Canonical text0c905f6583fd41bb2f4d96e7844db47a3933b68a0409500164fc19adf82bbec0
Markdownb36837ffe59149477e6086d4ddd1a44bb81de53d5e5360730e41605ca8597e9a
PDF
Publication page888dcefb9096de78eff70c3928684e1f5ae47054a089b28fc857399db6fc5443
Manifestb6dc9722a07d3a45926761b00aca180a2c4315c71368a10864e2e9fed023210a

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
SignatureDArsn8H9hKfrgLeuPk6E4XeCNt+1NiPhoBfuStG6HpvueqSgl3JLP+PP8R57aXE2PZVzE/LAByAX/Ujg3QoSAA==
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

2026-09-17T10:19:21.086936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074409
observed 888dcefb9096de78eff70c3928684e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.068310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074409/manifest.json
observed b6dc9722a07d3a45926761b00aca180a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.049325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074409/publication.md
observed b36837ffe59149477e6086d4ddd1a44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.030689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074409/publication.txt
observed 0c905f6583fd41bb2f4d96e7844db47a...
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.