pith. sign in
Pith Number

pith:JS65C6TU

pith:2014:JS65C6TUHHP5V7QE2WPVC2XBUG
not attested not anchored not stored refs pending

Photon: New light on an old name

Helge Kragh

arxiv:1401.0293 v3 · 2014-01-01 · physics.hist-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JS65C6TUHHP5V7QE2WPVC2XBUG}

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 2026-05-18T02:57:35.331550Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4cbdd17a7439dfdafe04d59f516ae1a1bcdd92b184d4df9e3bae33642d6b4eff

Aliases

arxiv: 1401.0293 · arxiv_version: 1401.0293v3 · doi: 10.48550/arxiv.1401.0293 · pith_short_12: JS65C6TUHHP5 · pith_short_16: JS65C6TUHHP5V7QE · pith_short_8: JS65C6TU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JS65C6TUHHP5V7QE2WPVC2XBUG \
  | 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: 4cbdd17a7439dfdafe04d59f516ae1a1bcdd92b184d4df9e3bae33642d6b4eff
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a7ea2d07e57f362087477eab39313a65dc529558f961c5327d91c3020432bb5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2014-01-01T15:19:18Z",
    "title_canon_sha256": "ca8d411bb70e54a26a83e75d8761f65735f00ab35aced747c6f11177426e3b8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0293",
    "kind": "arxiv",
    "version": 3
  }
}