Pith Number

pith:5SDFSK73

pith:2012:5SDFSK73ARBMYON6VZDHD4AXQR

not attested not anchored not stored refs pending

Threshold neutral pion photoproduction off the tri-nucleon to O(q^4)

Evgeny Epelbaum, H.-W. Hammer, Mark Lenkewitz, Ulf-G. Mei{\ss}ner

arxiv:1209.2661 v2 · 2012-09-12 · nucl-th · 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{5SDFSK73ARBMYON6VZDHD4AXQR}

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	2026-05-18T03:32:58.808403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec86592bfb0442cc39beae4671f017845847435719fbc8fb1e37f3792d197758

Aliases

arxiv: 1209.2661 · arxiv_version: 1209.2661v2 · doi: 10.48550/arxiv.1209.2661 · pith_short_12: 5SDFSK73ARBM · pith_short_16: 5SDFSK73ARBMYON6 · pith_short_8: 5SDFSK73

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/5SDFSK73ARBMYON6VZDHD4AXQR \
  | 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: ec86592bfb0442cc39beae4671f017845847435719fbc8fb1e37f3792d197758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f71e0c071d9d250588a0d0d21e0ff20943cf4d21110a40e3cd44b6aa8bc809e",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2012-09-12T16:49:31Z",
    "title_canon_sha256": "0907953016a25099c1d7cfaf783d673fb404e3a4497f4a8d451d56f1b7adb82e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2661",
    "kind": "arxiv",
    "version": 2
  }
}