OpenTechnical

OT-2026-000048417

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000048417) never changes.

Identity and time

Publication numberOT-2026-000048417 · never reused
Internal UUID01a0ae80-4de5-70aa-a3e9-4785e76c4f1b · 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-2026-000048417
StatusPUBLIC

Content hashes

Canonical text6c873527cc3d8af10b0c8791b059acb403bfedaeb0e9c3d6d18daf98cc0d32de
Markdown6732c83843aaed73b69b0abc4238f65f83d410e2c7f305aaef1b43642db764f8
PDF
Publication page84a103f67dc07d0c483ae946606a70a732b2a54232a0d3f1e10789dfb07a2384
Manifest18765d394bd891e75d0863162dbc42a74f55a2e18e5d01c941cdb2c3c47a581d

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
SignatureolIYLN2qbw2bGe9WK68rBP74K9pgUtCAnqNuDufnR48LedjEfAoJAvERalokP1ViLp9pakaoqX8iAq3MQ5FXDA==
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

2026-09-17T11:05:03.657384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048417
observed 84a103f67dc07d0c483ae946606a70a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.639472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048417/manifest.json
observed 18765d394bd891e75d0863162dbc42a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.620887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048417/publication.md
observed 6732c83843aaed73b69b0abc4238f65f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.601100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048417/publication.txt
observed 6c873527cc3d8af10b0c8791b059acb4...
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.