Pith Number

pith:YVXQ377O

pith:2010:YVXQ377OVUXAXAGSM4MQLLUAIY

not attested not anchored not stored refs pending

The Deepest Radio Study of the Pulsar Wind Nebula G21.5-0.9: Still No Evidence for the Supernova Shell

Crystal Brogan, Heather Matheson, Michael F. Bietenholz, Norbert Bartel, Samar Safi-Harb

arxiv:1008.1793 v2 · 2010-08-10 · 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{YVXQ377OVUXAXAGSM4MQLLUAIY}

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	2026-05-18T02:05:49.630412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c56f0dffeead2e0b80d2671905ae80461eb1a7148be6bd208b070f967db17b9a

Aliases

arxiv: 1008.1793 · arxiv_version: 1008.1793v2 · doi: 10.48550/arxiv.1008.1793 · pith_short_12: YVXQ377OVUXA · pith_short_16: YVXQ377OVUXAXAGS · pith_short_8: YVXQ377O

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/YVXQ377OVUXAXAGSM4MQLLUAIY \
  | 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: c56f0dffeead2e0b80d2671905ae80461eb1a7148be6bd208b070f967db17b9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aabc981dac79d039658fc50008e933e934646518052f44817aa064ee5558118b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-08-10T20:11:36Z",
    "title_canon_sha256": "a1ca5c1a958f2d8f96ea837d08d15728a5559519b05e5e86d7ef9e4699439062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1793",
    "kind": "arxiv",
    "version": 2
  }
}