Pith Number

pith:2TB2TPSL

pith:1999:2TB2TPSL5H4S7YTCVACRRIASRB

not attested not anchored not stored refs pending

High-Energy Gamma-Ray Observations of Two Young, Energetic Radio Pulsars

J. Mattox, J. R. Lackey, M. Bailes, R. N. Manchester, R. Pace, V. M. Kaspi

arxiv:astro-ph/9906373 v1 · 1999-06-24 · 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{2TB2TPSL5H4S7YTCVACRRIASRB}

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	2026-07-04T16:11:21.219019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4c3a9be4be9f92fe262a80518a012885b3e1d0ddac0bc73c67f7ac7e12d005c

Aliases

arxiv: astro-ph/9906373 · arxiv_version: astro-ph/9906373v1 · doi: 10.48550/arxiv.astro-ph/9906373 · pith_short_12: 2TB2TPSL5H4S · pith_short_16: 2TB2TPSL5H4S7YTC · pith_short_8: 2TB2TPSL

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/2TB2TPSL5H4S7YTCVACRRIASRB \
  | 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: d4c3a9be4be9f92fe262a80518a012885b3e1d0ddac0bc73c67f7ac7e12d005c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d71a72166db31301b3b7474f648e3860e5a0a2e38a8ee76f19137708c101d83",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-24T06:47:19Z",
    "title_canon_sha256": "b7d6eed8d8effd91a7abe41ac46ca1e03a0c80acc1602cf5243037125b832427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906373",
    "kind": "arxiv",
    "version": 1
  }
}