Pith Number

pith:HHU5Q5IS

pith:2012:HHU5Q5ISCFCYDPXTSRMTJ6WLJW

not attested not anchored not stored refs pending

VLBI and Archival VLA and WSRT Observations of the GRB 030329 Radio Afterglow

Greg Taylor, Johnathan Granot, Robert Mesler, Ylva Pihlstr\"om

arxiv:1208.3643 v1 · 2012-08-17 · 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{HHU5Q5ISCFCYDPXTSRMTJ6WLJW}

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	2026-05-18T01:55:09.728059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39e9d87512114581bef3945934facb4da7db02b18f711087f0f74992db12b349

Aliases

arxiv: 1208.3643 · arxiv_version: 1208.3643v1 · doi: 10.48550/arxiv.1208.3643 · pith_short_12: HHU5Q5ISCFCY · pith_short_16: HHU5Q5ISCFCYDPXT · pith_short_8: HHU5Q5IS

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/HHU5Q5ISCFCYDPXTSRMTJ6WLJW \
  | 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: 39e9d87512114581bef3945934facb4da7db02b18f711087f0f74992db12b349

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "500c8be13c6944e7baed750cca727e21fd59245509514510210662863157234f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-08-17T17:38:27Z",
    "title_canon_sha256": "85e2b7cf0d94f80ca8d562a96b123f1eade0fcfbac1a7fc6a81c125dd0a6aa85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3643",
    "kind": "arxiv",
    "version": 1
  }
}