Pith Number

pith:XAXNAE3Q

pith:2013:XAXNAE3Q7G44DTECOVFSIASMHA

not attested not anchored not stored refs pending

Star formation in the luminous YSO IRAS 18345-0641

(2) Astrophysics Research Institute, (3) ESO, Chris J. Davis (2), Garching b. M\"unchen, Germany), HI, Hilo, Holly S. Thomas (1), Liverpool John Moores University, Malcolm J. Currie (1) ((1) Joint Astronomy Centre, Suzanne Ramsay (3), UK, USA, Watson P. Varricatt (1)

arxiv:1304.4881 v1 · 2013-04-15 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XAXNAE3Q7G44DTECOVFSIASMHA}

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	2026-05-18T01:50:31.541921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b82ed01370f9b9c1cc82754b24024c380c4793e80f04860f963f670baab0609e

Aliases

arxiv: 1304.4881 · arxiv_version: 1304.4881v1 · doi: 10.48550/arxiv.1304.4881 · pith_short_12: XAXNAE3Q7G44 · pith_short_16: XAXNAE3Q7G44DTEC · pith_short_8: XAXNAE3Q

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/XAXNAE3Q7G44DTECOVFSIASMHA \
  | 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: b82ed01370f9b9c1cc82754b24024c380c4793e80f04860f963f670baab0609e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7432069c26464222bd88f98e63edf79a1de57383c3a472cad30762f965ed84af",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-15T20:59:55Z",
    "title_canon_sha256": "21895d1babaa2c4eb76f20b17ed91e3a0f8e75524d6884367324adbe4f1dc9de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4881",
    "kind": "arxiv",
    "version": 1
  }
}