Pith Number

pith:YPW3Q6E3

pith:2011:YPW3Q6E3OIBHTVD5T5MW7S7KPI

not attested not anchored not stored refs pending

An on-line library of afterglow light curves

A.I. MacFadyen, H.J. van Eerten, W. Zhang

arxiv:1102.2863 v1 · 2011-02-14 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPW3Q6E3OIBHTVD5T5MW7S7KPI}

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	2026-05-18T02:03:11.237885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3edb8789b720279d47d9f596fcbea7a3e2c10f266ceb75d94bf07316e92562d

Aliases

arxiv: 1102.2863 · arxiv_version: 1102.2863v1 · doi: 10.48550/arxiv.1102.2863 · pith_short_12: YPW3Q6E3OIBH · pith_short_16: YPW3Q6E3OIBHTVD5 · pith_short_8: YPW3Q6E3

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/YPW3Q6E3OIBHTVD5T5MW7S7KPI \
  | 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: c3edb8789b720279d47d9f596fcbea7a3e2c10f266ceb75d94bf07316e92562d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6882f00200062f1ccb5ea66725781fe74a4b524523c7a776657786bdfda9fc93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-02-14T19:21:30Z",
    "title_canon_sha256": "25601dadc6db3af45cadf5a70017edef3812b7c9bf1dc1a186dc2d802012ff2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2863",
    "kind": "arxiv",
    "version": 1
  }
}