Pith Number

pith:WIAEFF5G

pith:1999:WIAEFF5GCGZOMLVTFMUX5OQIHX

not attested not anchored not stored refs pending

Young stars and non-stellar emission in the aligned radio galaxy 3C 256

Arati Chokshi, B. T. Soifer, Buell T. Jannuzi, Chris Simpson, Lee Armus, Mark Dickinson, Michael A. Pahre, Patrick J. McCarthy, Peter Eisenhardt, Richard Elston, S. G. Djorgovski

arxiv:astro-ph/9906502 v1 · 1999-06-30 · 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{WIAEFF5GCGZOMLVTFMUX5OQIHX}

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	2026-07-04T16:11:22.890312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2004297a611b2e62eb32b297eba083ddafb45f3b9ec0778551ac8f1a33d9897

Aliases

arxiv: astro-ph/9906502 · arxiv_version: astro-ph/9906502v1 · doi: 10.48550/arxiv.astro-ph/9906502 · pith_short_12: WIAEFF5GCGZO · pith_short_16: WIAEFF5GCGZOMLVT · pith_short_8: WIAEFF5G

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/WIAEFF5GCGZOMLVTFMUX5OQIHX \
  | 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: b2004297a611b2e62eb32b297eba083ddafb45f3b9ec0778551ac8f1a33d9897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "953231c288c789f986d5fceaa1aac8bffa24ae95ba22fc8500a9e4d45848942e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-30T21:39:03Z",
    "title_canon_sha256": "aff49fe2b0c4ccb936f00a348e5db45f32d90cdbababb25e0b0a80012e6a61a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906502",
    "kind": "arxiv",
    "version": 1
  }
}