Pith Number

pith:P5UWHFUZ

pith:2010:P5UWHFUZOKLGJUXA3Z7QYQ2TMV

not attested not anchored not stored refs pending

New groups of planetary nebulae with peculiar dust chemistry towards the Galactic bulge

D.A. Garcia-Hernandez, J.V. Perea-Calderon, P. Garcia-Lario, R. Szczerba, S.K. Gorny

arxiv:1003.1252 v2 · 2010-03-05 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5UWHFUZOKLGJUXA3Z7QYQ2TMV}

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	2026-05-18T02:08:45.771847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f69639699729664d2e0de7f0c4353655302ae10e044844839c669a193422e2d

Aliases

arxiv: 1003.1252 · arxiv_version: 1003.1252v2 · doi: 10.48550/arxiv.1003.1252 · pith_short_12: P5UWHFUZOKLG · pith_short_16: P5UWHFUZOKLGJUXA · pith_short_8: P5UWHFUZ

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/P5UWHFUZOKLGJUXA3Z7QYQ2TMV \
  | 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: 7f69639699729664d2e0de7f0c4353655302ae10e044844839c669a193422e2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b61bbfe519bed159638dced20519e795637ea26e0337a2fb17377d4b78f0a86a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-03-05T12:40:17Z",
    "title_canon_sha256": "dab5de0997538502d77b822710996e93216927785210d0c98123fabe13b3ecc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1252",
    "kind": "arxiv",
    "version": 2
  }
}