Pith Number

pith:WQ7UWW6A

pith:2014:WQ7UWW6AVFC6ANBPMPE7GPUKOV

not attested not anchored not stored refs pending

SED analysis of class I and class II FU Orionis stars

Javier A. Rod\'on, Luciana V. Gramajo, Mercedes G\'omez

arxiv:1402.3240 v1 · 2014-02-13 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQ7UWW6AVFC6ANBPMPE7GPUKOV}

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	2026-05-18T02:59:07.119931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b43f4b5bc0a945e0342f63c9f33e8a7553b67474d541a99ef4dbeca52325fb49

Aliases

arxiv: 1402.3240 · arxiv_version: 1402.3240v1 · doi: 10.48550/arxiv.1402.3240 · pith_short_12: WQ7UWW6AVFC6 · pith_short_16: WQ7UWW6AVFC6ANBP · pith_short_8: WQ7UWW6A

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/WQ7UWW6AVFC6ANBPMPE7GPUKOV \
  | 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: b43f4b5bc0a945e0342f63c9f33e8a7553b67474d541a99ef4dbeca52325fb49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7aef998a07ae44acd48f98595180c8de4d77ccbcdfc0cb8dbccef1ab66f8f66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-02-13T18:06:02Z",
    "title_canon_sha256": "4052ce66a788b2aa0c57c58f9543115440f343dc1aedc76504c17d06b6037a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3240",
    "kind": "arxiv",
    "version": 1
  }
}