Pith Number

pith:HVRROZEZ

pith:2016:HVRROZEZGN7PMV7GGDG725BZNR

not attested not anchored not stored refs pending

Positronium energy levels at order $m \alpha^7$: Product contributions in the two-photon-annihilation channel

Gregory S. Adkins, Lam M. Tran, Ruihan Wang

arxiv:1603.03930 v1 · 2016-03-12 · 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{HVRROZEZGN7PMV7GGDG725BZNR}

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	2026-05-18T01:13:54.263050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d63176499337ef657e630cdfd74396c5177b5ff5e7751df63862c87a469717a

Aliases

arxiv: 1603.03930 · arxiv_version: 1603.03930v1 · doi: 10.48550/arxiv.1603.03930 · pith_short_12: HVRROZEZGN7P · pith_short_16: HVRROZEZGN7PMV7G · pith_short_8: HVRROZEZ

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/HVRROZEZGN7PMV7GGDG725BZNR \
  | 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: 3d63176499337ef657e630cdfd74396c5177b5ff5e7751df63862c87a469717a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "529948502d82c55f639fbafebbfda61f28c386ea82749c44131fde92e27ffcd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2016-03-12T15:26:36Z",
    "title_canon_sha256": "49d3dd026918c335acc311768d1ff9d198b2c8d6231c255dce97fbfc6224d51c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03930",
    "kind": "arxiv",
    "version": 1
  }
}