Pith Number

pith:5KISP3C3

pith:2013:5KISP3C3IJWNQLQRITOAJKUAGY

not attested not anchored not stored refs pending

QED Vacuum Loops and Dark Energy

H. M. Fried, Y. Gabellini

arxiv:1303.4529 v1 · 2013-03-19 · hep-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{5KISP3C3IJWNQLQRITOAJKUAGY}

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	2026-05-18T01:51:00.897670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea9127ec5b426cd82e1144dc04aa8036260be3855f89371c73b8fa40409c1b60

Aliases

arxiv: 1303.4529 · arxiv_version: 1303.4529v1 · doi: 10.48550/arxiv.1303.4529 · pith_short_12: 5KISP3C3IJWN · pith_short_16: 5KISP3C3IJWNQLQR · pith_short_8: 5KISP3C3

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/5KISP3C3IJWNQLQRITOAJKUAGY \
  | 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: ea9127ec5b426cd82e1144dc04aa8036260be3855f89371c73b8fa40409c1b60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da8cb7372276b2908f7ae821cb31f0b42c9bc916d53cb8d52ce33f1807ff56e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-03-19T09:43:08Z",
    "title_canon_sha256": "edb214ce215634c4ccb8a601092dc4d434d7fbb0ffaa51ff3c1c44f52cd84d93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4529",
    "kind": "arxiv",
    "version": 1
  }
}