Pith Number

pith:UK3GS54B

pith:1993:UK3GS54BCRTCCX3TRBPJAHQXZM

not attested not anchored not stored refs pending

The Rate of the Proton-Proton Reaction

John N. Bahcall, Marc Kamionkowski

arxiv:astro-ph/9305020 v2 · 1993-05-17 · astro-ph · hep-ph · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UK3GS54BCRTCCX3TRBPJAHQXZM}

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.

Cited by

1 paper in Pith

Astrophysical S-factor Calculation for p-p Fusion Reaction

Receipt and verification

First computed	2026-07-04T15:55:06.467577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2b66977811466215f73885e901e17cb0f01aa32fb43867887b7ae208421b25d

Aliases

arxiv: astro-ph/9305020 · arxiv_version: astro-ph/9305020v2 · doi: 10.48550/arxiv.astro-ph/9305020 · pith_short_12: UK3GS54BCRTC · pith_short_16: UK3GS54BCRTCCX3T · pith_short_8: UK3GS54B

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/UK3GS54BCRTCCX3TRBPJAHQXZM \
  | 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: a2b66977811466215f73885e901e17cb0f01aa32fb43867887b7ae208421b25d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d38716f5401c91fc9b58b635a7e80050be0d28f024c5e880749d0ee4d6d20760",
    "cross_cats_sorted": [
      "hep-ph",
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-05-17T18:18:28Z",
    "title_canon_sha256": "ca7098773c670db49ebf43892a1c821228d42ebb9594d5ca79d8ef2708e8e513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9305020",
    "kind": "arxiv",
    "version": 2
  }
}