Pith Number

pith:HHKX7VW7

pith:2012:HHKX7VW75MAR7WFCSVIKIJ6TGC

not attested not anchored not stored refs pending

Resolved stellar population of distant galaxies in the ELT era

D. Fantinel (INAF-OA Padova), L. Greggio, M. Uslenghi (INAF-IASF), R. Falomo, S. Zaggia

arxiv:1206.0909 v1 · 2012-06-02 · astro-ph.GA · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHKX7VW75MAR7WFCSVIKIJ6TGC}

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	2026-05-18T01:57:07.656219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39d57fd6dfeb011fd8a29550a427d330a28b7df78c5fccf9c9a375947d3d3a59

Aliases

arxiv: 1206.0909 · arxiv_version: 1206.0909v1 · doi: 10.48550/arxiv.1206.0909 · pith_short_12: HHKX7VW75MAR · pith_short_16: HHKX7VW75MAR7WFC · pith_short_8: HHKX7VW7

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/HHKX7VW75MAR7WFCSVIKIJ6TGC \
  | 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: 39d57fd6dfeb011fd8a29550a427d330a28b7df78c5fccf9c9a375947d3d3a59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8275069075aecfd6452f47d9ad18a82495e611c20af5a5115e32d565a357910",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-06-02T04:27:58Z",
    "title_canon_sha256": "f9a2c22a404fc7f5cb5f60c5b5dd0f81741fb5e3a9fa05856a974fce19a65897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0909",
    "kind": "arxiv",
    "version": 1
  }
}