Pith Number

pith:HGZJVX4A

pith:2007:HGZJVX4A6KQ776P2LNTMA4HJA3

not attested not anchored not stored refs pending

Stellar Populations in the Center of the Barred Galaxy NGC 4900

Anne Pellerin, Carmelle Robert, Mercedes Moll\'a, Simon Cantin

arxiv:astro-ph/0701862 v1 · 2007-01-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGZJVX4A6KQ776P2LNTMA4HJA3}

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	2026-05-18T01:09:21.699083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39b29adf80f2a1fff9fa5b66c070e906edb5540b16b2dbab174a1bc7bdb7daf8

Aliases

arxiv: astro-ph/0701862 · arxiv_version: astro-ph/0701862v1 · doi: 10.48550/arxiv.astro-ph/0701862 · pith_short_12: HGZJVX4A6KQ7 · pith_short_16: HGZJVX4A6KQ776P2 · pith_short_8: HGZJVX4A

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/HGZJVX4A6KQ776P2LNTMA4HJA3 \
  | 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: 39b29adf80f2a1fff9fa5b66c070e906edb5540b16b2dbab174a1bc7bdb7daf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f1ac87eda6ff0e4b265352722259959c9210816587a93639ba8ae5502df8e71",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-30T14:34:54Z",
    "title_canon_sha256": "cad0552980b448f830c8296d305fbfeaec3cec5c5641ab4afbe81d77d5f66da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701862",
    "kind": "arxiv",
    "version": 1
  }
}