Pith Number

pith:UXC5FM7Y

pith:2013:UXC5FM7Y2F5GXB4YQ4ZJWJXYEX

not attested not anchored not stored refs pending

Abelian Ashtekar formulation from the ADM action

Ernesto Contreras, Lorenzo Leal

arxiv:1304.0778 v1 · 2013-04-02 · gr-qc · 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{UXC5FM7Y2F5GXB4YQ4ZJWJXYEX}

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	2026-05-17T23:49:57.798552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5c5d2b3f8d17a6b879887329b26f825f6c3bd5a0c0f539ee185892e383dc969

Aliases

arxiv: 1304.0778 · arxiv_version: 1304.0778v1 · doi: 10.48550/arxiv.1304.0778 · pith_short_12: UXC5FM7Y2F5G · pith_short_16: UXC5FM7Y2F5GXB4Y · pith_short_8: UXC5FM7Y

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/UXC5FM7Y2F5GXB4YQ4ZJWJXYEX \
  | 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: a5c5d2b3f8d17a6b879887329b26f825f6c3bd5a0c0f539ee185892e383dc969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "353432d0e259439d9615eac3e735f098756f1b5637d87005b3c12d052865772a",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-02T20:04:01Z",
    "title_canon_sha256": "a127ad4268e167d1a59adec39f534f8dfcd1c16c118f0f01187732e8cd169f6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0778",
    "kind": "arxiv",
    "version": 1
  }
}