Pith Number

pith:HQUXWMOZ

pith:2004:HQUXWMOZR3ARF72DRYMNADQOXS

not attested not anchored not stored refs pending

Probing the evolutionary status of starless cores through N2H+ and N2D+ observations

2), (2) CfA, (3) Oss. Arcetri, (4) OAN, (5) KAO, (6) SMA), A. Crapsi (1, C.M. Walmsley (3), C.W. Lee (5), M. Tafalla (4), P. Caselli (3), P.C. Myers (2), T.L. Bourke (6) ((1) UNIFI

arxiv:astro-ph/0409529 v2 · 2004-09-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HQUXWMOZR3ARF72DRYMNADQOXS}

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.

Cited by

2 papers in Pith

CARPP: Parametric Radiative-Transfer Fitting of Molecular Cores from Dust Continuum Data

Probing outflow physics through CH$_3$CN and CH$_3$OH chemistry

Receipt and verification

First computed	2026-07-04T16:44:44.298232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c297b31d98ec112ff438e18d00e0ebc90eb3afb764d32076731d8c6b4848236

Aliases

arxiv: astro-ph/0409529 · arxiv_version: astro-ph/0409529v2 · doi: 10.48550/arxiv.astro-ph/0409529 · pith_short_12: HQUXWMOZR3AR · pith_short_16: HQUXWMOZR3ARF72D · pith_short_8: HQUXWMOZ

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/HQUXWMOZR3ARF72DRYMNADQOXS \
  | 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: 3c297b31d98ec112ff438e18d00e0ebc90eb3afb764d32076731d8c6b4848236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1268aad4329e17caf65fedf449e50553ef62c94728d72e60e5a84d5e3b53ce7f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-22T08:49:35Z",
    "title_canon_sha256": "d04b4a9bf5c759c8880c1e0b4f8e05b059dc42cc7a6d347faebde667fc5f06ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409529",
    "kind": "arxiv",
    "version": 2
  }
}