Pith Number

pith:2R4AGG53

pith:2000:2R4AGG53O63QVLVUG3N2GEHUKP

not attested not anchored not stored refs pending

The Enigmatic Radio Afterglow of GRB 991216

D. A. Frail, D. S. Shepherd, E. Berger, F. Walter, G. B. Taylor, G. G. Pooley, G. H. Moriarty-Schieven, R. Sari, S. R. Kulkarni, T. Galama

arxiv:astro-ph/0003138 v1 · 2000-03-09 · 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{2R4AGG53O63QVLVUG3N2GEHUKP}

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	2026-07-04T16:16:10.218075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d478031bbb77b70aaeb436dba310f453ef31ec7c7a2029cb688fc1eab8465fbb

Aliases

arxiv: astro-ph/0003138 · arxiv_version: astro-ph/0003138v1 · doi: 10.48550/arxiv.astro-ph/0003138 · pith_short_12: 2R4AGG53O63Q · pith_short_16: 2R4AGG53O63QVLVU · pith_short_8: 2R4AGG53

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/2R4AGG53O63QVLVUG3N2GEHUKP \
  | 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: d478031bbb77b70aaeb436dba310f453ef31ec7c7a2029cb688fc1eab8465fbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e7a0570711f8b9a85a0a50dd0695195c75f74f1832834ddc6617ad84cd022b4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-09T22:15:56Z",
    "title_canon_sha256": "edafddebe46098c08d7851cf9436c182e62192d9206785e59598eb2af7a5270e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003138",
    "kind": "arxiv",
    "version": 1
  }
}