Pith Number

pith:ZF4UC3UG

pith:2018:ZF4UC3UGFZHFLSGLEOYAWJBROL

not attested not anchored not stored refs pending

A gauge-invariant symplectic potential for tetrad general relativity

Elena De Paoli, Simone Speziale

arxiv:1804.09685 v2 · 2018-04-25 · 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{ZF4UC3UGFZHFLSGLEOYAWJBROL}

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	2026-05-18T00:09:14.392820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c979416e862e4e55c8cb23b00b243172cd7e9795ce32bb816ec53a9d4e427722

Aliases

arxiv: 1804.09685 · arxiv_version: 1804.09685v2 · doi: 10.48550/arxiv.1804.09685 · pith_short_12: ZF4UC3UGFZHF · pith_short_16: ZF4UC3UGFZHFLSGL · pith_short_8: ZF4UC3UG

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/ZF4UC3UGFZHFLSGLEOYAWJBROL \
  | 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: c979416e862e4e55c8cb23b00b243172cd7e9795ce32bb816ec53a9d4e427722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0108c8928632c444d9f5aa68b092cad615640b1f0af870dd3e4ec94eb5c5021b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-04-25T17:26:22Z",
    "title_canon_sha256": "c3f9ee1a67fc8235e292f580f3c45af17e6894969b7664630dbe136b878be294"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09685",
    "kind": "arxiv",
    "version": 2
  }
}