Pith Number

pith:XXR6CR6E

pith:2005:XXR6CR6EWCURIOP6PQ4SA335UQ

not attested not anchored not stored refs pending

The derivative of the topological susceptibility at zero momentum and an estimate of $\eta'$ mass in the chiral limit

A. Upadhyay, J. Pasupathy, J. P. Singh, R. K. Singh

arxiv:hep-ph/0509260 v1 · 2005-09-23 · hep-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{XXR6CR6EWCURIOP6PQ4SA335UQ}

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	2026-05-18T01:06:10.445128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bde3e147c4b0a91439fe7c39206f7da4006f838b26bdef586b0e47d8a0c0b0ad

Aliases

arxiv: hep-ph/0509260 · arxiv_version: hep-ph/0509260v1 · doi: 10.48550/arxiv.hep-ph/0509260 · pith_short_12: XXR6CR6EWCUR · pith_short_16: XXR6CR6EWCURIOP6 · pith_short_8: XXR6CR6E

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/XXR6CR6EWCURIOP6PQ4SA335UQ \
  | 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: bde3e147c4b0a91439fe7c39206f7da4006f838b26bdef586b0e47d8a0c0b0ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9d0ba76254572969136d6e815842a38771b3a504a39426776f72ae598701047",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2005-09-23T12:54:11Z",
    "title_canon_sha256": "542ba122a74c5b3ca00207de0232923f0a56f9c99d60fff3ebd315fa01c842cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0509260",
    "kind": "arxiv",
    "version": 1
  }
}