OpenTechnical

OT-2026-000058360

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000058360) never changes.

Identity and time

Publication numberOT-2026-000058360 · never reused
Internal UUID01a0ae88-f399-7d04-82f4-80b645f31b12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058360
StatusPUBLIC

Content hashes

Canonical text202f0091934db4756dfa83519d7540389dbeb55cec3a54cb5101b58cf234141a
Markdown563f1133b1e6337f9369cdc8083421f5be6944e6a81b455b61548adab1d7515e
PDF
Publication page4fc2c2fd52311d2b0f00d00c06f79906cacc7d99dcab514c8447a09686a54332
Manifest453710fb424074b21c4c3e574f8c50b0916153de80ebf65dbc62f905580c06b5

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
SignatureJ01FOQR4Msg4r3atncgmRTjOsJ+Ihbsa97TM445QbqldoXaobH5k9FXDb3dm6z6u3W/ruoYKeePKrwjQZ6OnCA==
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

2026-09-17T10:46:46.659776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058360
observed 4fc2c2fd52311d2b0f00d00c06f79906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.642555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058360/manifest.json
observed 453710fb424074b21c4c3e574f8c50b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.624065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058360/publication.md
observed 563f1133b1e6337f9369cdc8083421f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.605780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058360/publication.txt
observed 202f0091934db4756dfa83519d754038...
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.