Pith Number

pith:FMVVTZOZ

pith:2012:FMVVTZOZD3FQOSB73LSPSEPY4W

not attested not anchored not stored refs pending

Chemical abundances in Orion protoplanetary discs: integral field spectroscopy and photoevaporation models of HST 10

A. Mesa-Delgado, J. R. Walsh, N. Flores-Fajardo, W. J. Henney, Y. G. Tsamis

arxiv:1211.3423 v2 · 2012-11-14 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FMVVTZOZD3FQOSB73LSPSEPY4W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:53:11.119809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b2b59e5d91ecb07483fdae4f911f8e5b1419ec0838698b6325cace23983f5a4

Aliases

arxiv: 1211.3423 · arxiv_version: 1211.3423v2 · doi: 10.48550/arxiv.1211.3423 · pith_short_12: FMVVTZOZD3FQ · pith_short_16: FMVVTZOZD3FQOSB7 · pith_short_8: FMVVTZOZ

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/FMVVTZOZD3FQOSB73LSPSEPY4W \
  | 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: 2b2b59e5d91ecb07483fdae4f911f8e5b1419ec0838698b6325cace23983f5a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf012f5a8b18d5a5c4d472b19464470a6cc9cce4edd77e675d5a370f91d3ec72",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-11-14T21:03:14Z",
    "title_canon_sha256": "cb08b74331f6c74548733996262362cbb2be33239c9c4ae0f0bbb519b968a43b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3423",
    "kind": "arxiv",
    "version": 2
  }
}