Pith Number

pith:DKD47SA6

pith:2015:DKD47SA6VBMZWHYZ5G2SWU22YN

not attested not anchored not stored refs pending

First Order formulation of Unimodular Gravity

Enrique \'Alvarez, Sergio Gonz\'alez-Mart\'in

arxiv:1506.07410 v2 · 2015-06-24 · 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{DKD47SA6VBMZWHYZ5G2SWU22YN}

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	2026-05-18T01:36:12.684746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a87cfc81ea8599b1f19e9b52b535ac3739292e05e9f8ca554b33dda81d782f0

Aliases

arxiv: 1506.07410 · arxiv_version: 1506.07410v2 · doi: 10.48550/arxiv.1506.07410 · pith_short_12: DKD47SA6VBMZ · pith_short_16: DKD47SA6VBMZWHYZ · pith_short_8: DKD47SA6

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/DKD47SA6VBMZWHYZ5G2SWU22YN \
  | 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: 1a87cfc81ea8599b1f19e9b52b535ac3739292e05e9f8ca554b33dda81d782f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1750ce4c8380e44c67616b81a07c1aaff7ffa5a1426f46af9fe85ba9309d8f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-06-24T15:06:46Z",
    "title_canon_sha256": "54e2fdff34ca2b5a6441206869017dea3b3e60c5f39ecbbe686959d00c44b335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07410",
    "kind": "arxiv",
    "version": 2
  }
}