Pith Number

pith:A5BKBZKA

pith:2008:A5BKBZKAHNJDJWT5N75MFHK53F

not attested not anchored not stored refs pending

Tools for Dissecting Supernova Remnants Observed with Chandra: Methods and Application to the Galactic Remnant W49B

2), David A. Pooley (3), Enrico Ramirez-Ruiz (1), Laura A. Lopez (1, Madison; (4) UCO/Lick), Santa Cruz; (2) NSF Graduate Research Fellow; (3) University of Wisconsin, Tesla E. Jeltema (4) ((1) University of California

arxiv:0810.0009 v2 · 2008-09-30 · 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{A5BKBZKAHNJDJWT5N75MFHK53F}

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	2026-05-18T04:29:26.345431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0742a0e5403b5234da7d6ffac29d5dd942f9bff41cd8db649764f947335e130c

Aliases

arxiv: 0810.0009 · arxiv_version: 0810.0009v2 · doi: 10.48550/arxiv.0810.0009 · pith_short_12: A5BKBZKAHNJD · pith_short_16: A5BKBZKAHNJDJWT5 · pith_short_8: A5BKBZKA

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/A5BKBZKAHNJDJWT5N75MFHK53F \
  | 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: 0742a0e5403b5234da7d6ffac29d5dd942f9bff41cd8db649764f947335e130c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df8312620eaa76134e913949a13ef8deda721491663f2b70747258f3e1d689f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-30T20:03:47Z",
    "title_canon_sha256": "433e14edea958ed8575e6a26062cfb3b18714f590d30e35bbc1a0587102e1e51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0009",
    "kind": "arxiv",
    "version": 2
  }
}