Pith Number

pith:ABIZKA2W

pith:2019:ABIZKA2WPHRCYDR3BKIPJGMHVW

not attested not anchored not stored refs pending

Direct estimation of electron density in the Orion Bar PDR from mm-wave carbon recombination lines

A. Baez-Rubio, A. G. G. M. Tielens, J. Cernicharo, J. R. Goicoechea, P. Salas, S. Cuadrado

arxiv:1904.10356 v2 · 2019-04-23 · 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{ABIZKA2WPHRCYDR3BKIPJGMHVW}

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	2026-05-17T23:46:46.894835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

005195035679e22c0e3b0a90f49987ad811899ed4dddcb243813928f33ea54f5

Aliases

arxiv: 1904.10356 · arxiv_version: 1904.10356v2 · doi: 10.48550/arxiv.1904.10356 · pith_short_12: ABIZKA2WPHRC · pith_short_16: ABIZKA2WPHRCYDR3 · pith_short_8: ABIZKA2W

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/ABIZKA2WPHRCYDR3BKIPJGMHVW \
  | 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: 005195035679e22c0e3b0a90f49987ad811899ed4dddcb243813928f33ea54f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fa74ffa41b24e1193691a2915bdedec356d722745445775de5caa56d0e21b94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-23T14:29:13Z",
    "title_canon_sha256": "e00b7368bc3cca91eccb263e24dab3572d9f152291017d0133db829ee8570236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10356",
    "kind": "arxiv",
    "version": 2
  }
}