Pith Number

pith:TVVSQG4U

pith:2010:TVVSQG4UVTMU7N3IETN37C5HNR

not attested not anchored not stored refs pending

The NH2D/NH3 ratio toward pre-protostellar cores around the UCHII region in IRAS 20293+3952

5), Aina Palau (2), \'A. S\'anchez-Monge (1), G. Busquet (1), J. M. Girart (2), P. T. P. Ho (4, Q. Zhang (4), R. Estalella (1), S. Viti (3)

arxiv:1006.4280 v1 · 2010-06-22 · 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{TVVSQG4UVTMU7N3IETN37C5HNR}

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	2026-05-18T02:06:43.714369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d6b281b94acd94fb76824dbbf8ba76c43d0a60bf774b04eb8d7925cc4a86ffb

Aliases

arxiv: 1006.4280 · arxiv_version: 1006.4280v1 · doi: 10.48550/arxiv.1006.4280 · pith_short_12: TVVSQG4UVTMU · pith_short_16: TVVSQG4UVTMU7N3I · pith_short_8: TVVSQG4U

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/TVVSQG4UVTMU7N3IETN37C5HNR \
  | 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: 9d6b281b94acd94fb76824dbbf8ba76c43d0a60bf774b04eb8d7925cc4a86ffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c20a124aaff675b1c190c1407872430a89be587232480b13762641cfa661a25f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-06-22T13:01:32Z",
    "title_canon_sha256": "c89bc22e0f2f035be67dc1a81d87f7a2075f092f89f061c3d835dff23efafdab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4280",
    "kind": "arxiv",
    "version": 1
  }
}