Pith Number

pith:5PZGDNKX

pith:2009:5PZGDNKXD7UBNSE6FPIDD5M3OK

not attested not anchored not stored refs pending

Resolved maps of stellar mass and SED of galaxies from optical/NIR imaging and SPS models

(2) IAP Paris), Hans-Walter Rix (1) ((1) MPIA Heidelberg, Stefano Zibetti (1), Stephane Charlot (2)

arxiv:0910.4975 v1 · 2009-10-26 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PZGDNKXD7UBNSE6FPIDD5M3OK}

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	2026-05-18T02:11:11.209342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebf261b5571fe816c89e2bd031f59b72833a1281762c42e32453238581e0a938

Aliases

arxiv: 0910.4975 · arxiv_version: 0910.4975v1 · doi: 10.48550/arxiv.0910.4975 · pith_short_12: 5PZGDNKXD7UB · pith_short_16: 5PZGDNKXD7UBNSE6 · pith_short_8: 5PZGDNKX

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/5PZGDNKXD7UBNSE6FPIDD5M3OK \
  | 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: ebf261b5571fe816c89e2bd031f59b72833a1281762c42e32453238581e0a938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "554ccdb757044b52c229b4fb7ac6cd69de236ceecf94b5e773bdb485f1038c67",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-26T20:31:55Z",
    "title_canon_sha256": "c8d39ef2b94760a258c7cc8ce8a41cc25ba33ddc96cbaf4cd1d1d1b588828104"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4975",
    "kind": "arxiv",
    "version": 1
  }
}