OpenTechnical

OT-2026-000047233

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000047233) never changes.

Identity and time

Publication numberOT-2026-000047233 · never reused
Internal UUID01a0ae7f-3e56-73d3-887f-d773f3e73318 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047233
StatusPUBLIC

Content hashes

Canonical textcad85741b7aae266986ae2316f67584bf6c8ee2fa017c69bf38cf73d445474e5
Markdowne9ceef8abad95ab1273969dde7f243b29550024ab4c601b3e0406058aabeec7a
PDF
Publication page65c8988988c652b6e22e76968b72810973f8502631f102c74437c4a9a4a726ae
Manifest12e3769cb696ea909fa359e7cc8dfb7927ba0ed0beb21c9e426f9f0da0d3ac25

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
Signaturej0AqZiTyo3nF4+h5hr7/8MDgiWS4XCcPvUHqqzFWgHAOmEtJtpQMyJx67/xpqF49OON1DGlwT8tW53PNnUTxDw==
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

2026-09-17T11:06:11.295902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047233
observed 65c8988988c652b6e22e76968b728109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.279090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047233/manifest.json
observed 12e3769cb696ea909fa359e7cc8dfb79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.261943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047233/publication.md
observed e9ceef8abad95ab1273969dde7f243b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.245565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047233/publication.txt
observed cad85741b7aae266986ae2316f67584b...
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.