OpenTechnical

OT-2026-000048176

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000048176) never changes.

Identity and time

Publication numberOT-2026-000048176 · never reused
Internal UUID01a0ae80-4de2-70a3-94fc-2c90290d84f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048176
StatusPUBLIC

Content hashes

Canonical textdb4ac8ffc60f27e26a771c70085b7322e3118d724800cea971173851cc26d7f7
Markdowne8b20a5a3425724e5d6eafb25fd6218fcc8a5c4ba765573b2ea6c3464a93fd0c
PDF
Publication pagee4e5fd23f5531744f985a489731e812e320669f75aff234ba547bc12114c156a
Manifest21e1674aa0ce495f86cb2f28dd906dc9eacccdc9b5921211006b3fecc4f55484

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
Signaturelrv7YSLL/TPEngCU/CqmuTp5nK32+PLFpZplEtb1ez2f5rv1H6TOcUj9ajqs0xRHmhjbRaZ5TSR/H8AMSKmQCA==
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

2026-09-17T11:04:42.741697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048176
observed e4e5fd23f5531744f985a489731e812e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:42.724549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048176/manifest.json
observed 21e1674aa0ce495f86cb2f28dd906dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:42.706538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048176/publication.md
observed e8b20a5a3425724e5d6eafb25fd6218f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:42.686806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048176/publication.txt
observed db4ac8ffc60f27e26a771c70085b7322...
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.