Pith Number

pith:EF5L7AOE

pith:2013:EF5L7AOETIK4HX55NHUXVJOMCL

not attested not anchored not stored refs pending

Hot water in the inner 100 AU of the Class 0 protostar NGC1333 IRAS2A

(2) Niels Bohr Inst., 3), (3) StarPlan, (4) Leiden Observatory, 5), (5) CfA, 6), (6) MPE Garching), Edwin A. Bergin (1) ((1) Univ. of Michigan, Ewine F. van Dishoeck (4, Jes K. Jorgensen (2, Lars E. Kristensen (4, Ruud Visser (1)

arxiv:1303.6177 v1 · 2013-03-25 · 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{EF5L7AOETIK4HX55NHUXVJOMCL}

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	2026-05-18T01:50:53.235629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

217abf81c49a15c3dfbd69e97aa5cc12e3fe9aacf18852405629779eaa405659

Aliases

arxiv: 1303.6177 · arxiv_version: 1303.6177v1 · doi: 10.48550/arxiv.1303.6177 · pith_short_12: EF5L7AOETIK4 · pith_short_16: EF5L7AOETIK4HX55 · pith_short_8: EF5L7AOE

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/EF5L7AOETIK4HX55NHUXVJOMCL \
  | 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: 217abf81c49a15c3dfbd69e97aa5cc12e3fe9aacf18852405629779eaa405659

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b2b6c1312913e1266f0a8d1405b3d53065951ec4325db0a80cd8d395f9de535",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-25T15:46:06Z",
    "title_canon_sha256": "5a21a8b9cc5f11682470eee88440c9011d381c85073b26204dc1990b58595b84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6177",
    "kind": "arxiv",
    "version": 1
  }
}