Pith Number

pith:XK44H6ZE

pith:2010:XK44H6ZEAYX35KCTT2IHU2A3HT

not attested not anchored not stored refs pending

A Bare Molecular Cloud at z~0.45

Andrew C. Mshar, Gary J. Ferland, Jane C. Charlton, Therese M. Jones, Toru Misawa

arxiv:1004.2043 v1 · 2010-04-12 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XK44H6ZEAYX35KCTT2IHU2A3HT}

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	2026-05-18T02:08:06.520456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bab9c3fb24062fbea8539e907a681b3ced0843793d2fe7d503f36fb01bdc2b37

Aliases

arxiv: 1004.2043 · arxiv_version: 1004.2043v1 · doi: 10.48550/arxiv.1004.2043 · pith_short_12: XK44H6ZEAYX3 · pith_short_16: XK44H6ZEAYX35KCT · pith_short_8: XK44H6ZE

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/XK44H6ZEAYX35KCTT2IHU2A3HT \
  | 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: bab9c3fb24062fbea8539e907a681b3ced0843793d2fe7d503f36fb01bdc2b37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54bdae8bd3ff043d52376d7cca8459a9ee9ec8e4f561f2795c1abffc689e5547",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-12T20:00:07Z",
    "title_canon_sha256": "100951d1893768a01fe58a83f2b84acdeb7266319f7a78191d25030ab3a545d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2043",
    "kind": "arxiv",
    "version": 1
  }
}