Pith Number

pith:YG2AAXH2

pith:2005:YG2AAXH24LSCT6F62UNIOBEH63

not attested not anchored not stored refs pending

Early-Time Observations of the GRB 050319 Optical Transient

A. Phillips, B. E. Schaefer, C. W. Akerlof, D. A. Smith, D. Horns, E. Goegues, E. S. Rykoff, F. Aharonian, H. F. Swan, J. C. Wheeler, J. Wren, K. Alatalo, M. C. B. Ashley, M. Oezel, R. L. Kehoe, R. M. Quimby, S. A. Yost, T. A. McKay, T. Guever, Ue. Kiziloglu, W. T. Vestrand

arxiv:astro-ph/0511421 v1 · 2005-11-15 · 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{YG2AAXH24LSCT6F62UNIOBEH63}

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	2026-07-04T17:15:26.543986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1b4005cfae2e429f8bed51a870487f6fa81643d3b8c0d12fda04d92dce6ca19

Aliases

arxiv: astro-ph/0511421 · arxiv_version: astro-ph/0511421v1 · doi: 10.48550/arxiv.astro-ph/0511421 · pith_short_12: YG2AAXH24LSC · pith_short_16: YG2AAXH24LSCT6F6 · pith_short_8: YG2AAXH2

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/YG2AAXH24LSCT6F62UNIOBEH63 \
  | 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: c1b4005cfae2e429f8bed51a870487f6fa81643d3b8c0d12fda04d92dce6ca19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2451ad38d256001aae77b5d327e82bf553c6460eb2f20c09a4910895c7d5add",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-11-15T17:34:12Z",
    "title_canon_sha256": "2a88e1858938b20ac100e61e74ef413b156b23d67a3930939857d87593116e7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0511421",
    "kind": "arxiv",
    "version": 1
  }
}