Pith Number

pith:DUSISQ3E

pith:2010:DUSISQ3EB3YK46FGZYMHTW5AVA

not attested not anchored not stored refs pending

The dark matter content of the blue compact dwarf NGC 2915

E. C. Elson, R. C. Kraan-Korteweg, W. J. G. de Blok

arxiv:1002.0403 v1 · 2010-02-02 · 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{DUSISQ3EB3YK46FGZYMHTW5AVA}

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	2026-05-18T02:09:21.166410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d248943640ef0ae78a6ce1879dba0a83c325b0e324214e631eecb004012fbba

Aliases

arxiv: 1002.0403 · arxiv_version: 1002.0403v1 · doi: 10.48550/arxiv.1002.0403 · pith_short_12: DUSISQ3EB3YK · pith_short_16: DUSISQ3EB3YK46FG · pith_short_8: DUSISQ3E

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/DUSISQ3EB3YK46FGZYMHTW5AVA \
  | 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: 1d248943640ef0ae78a6ce1879dba0a83c325b0e324214e631eecb004012fbba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60c013a4826c6b46be384e24d2619e585d9e90a8a5f33181815fc96996b1b051",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-02T09:24:23Z",
    "title_canon_sha256": "9b60660a09ac1de6ed97ddd954eda39b759ceef9708295ef89791c431b0b1cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0403",
    "kind": "arxiv",
    "version": 1
  }
}