OpenTechnical

OT-2026-000023168

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000023168) never changes.

Identity and time

Publication numberOT-2026-000023168 · never reused
Internal UUID01a0ae70-7267-7680-a382-e9de449f8960 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023168
StatusPUBLIC

Content hashes

Canonical texted6a674561e149f1705a7bb3c8abeff2055de2538dabee48478a21efc8671a56
Markdownc43793f134d25581a95e9dc010136f82c62e0b7e3e53a8e970944ffff20bce0e
PDF
Publication pageb63bcf5b5a9089c965717c0e80fa156c13e00a5707160f2d9f5c7b91e9030c8d
Manifest48a3266ea170f83c8d723b7eab7025b492a2e6ee6feb815fcddeb6dd8b255f8e

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
SignatureqMKEKeF/MtMqimAmkMEtDp6wlpafyWB70hbvXNC608otifeGmJbHW1/5nTCVzThpjwbxHpX5vCj+qfw7qsBEDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:06.701233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023168
observed b63bcf5b5a9089c965717c0e80fa156c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.684079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023168/manifest.json
observed 48a3266ea170f83c8d723b7eab7025b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.664588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023168/publication.md
observed c43793f134d25581a95e9dc010136f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.645132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023168/publication.txt
observed ed6a674561e149f1705a7bb3c8abeff2...
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.