Pith Number

pith:5XHMUKKD

pith:2011:5XHMUKKDUNDDIUM5MK3SL246BU

not attested not anchored not stored refs pending

Using artificial neural networks for open-loop tomography

Andres Guesalaga, Dani Guzman, Francisco Javier De Cos Juez, James Osborn, Jesus Laine, Richard Myers, Timothy Butterley

arxiv:1112.5354 v1 · 2011-12-22 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XHMUKKDUNDDIUM5MK3SL246BU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:59:03.141257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edceca2943a34634519d62b725eb9e0d115e4ec91c0cb744cc9454692ce333cb

Aliases

arxiv: 1112.5354 · arxiv_version: 1112.5354v1 · doi: 10.48550/arxiv.1112.5354 · pith_short_12: 5XHMUKKDUNDD · pith_short_16: 5XHMUKKDUNDDIUM5 · pith_short_8: 5XHMUKKD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5XHMUKKDUNDDIUM5MK3SL246BU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: edceca2943a34634519d62b725eb9e0d115e4ec91c0cb744cc9454692ce333cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfc55378624f375a5256515aba1f79b90a601e7900893ddc456d568afaab2ad1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-12-22T15:35:08Z",
    "title_canon_sha256": "65b191f171f98b181219ce234a04e744baaebbcfead580113f8265931b8ef9e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5354",
    "kind": "arxiv",
    "version": 1
  }
}