Pith Number

pith:37EGHHGW

pith:2011:37EGHHGWCRKZJSJNEW3IJZ5C54

not attested not anchored not stored refs pending

The Deformable Universe

A. J. S. Capistrano, Edmundo M. Monte, J. S. Alcaniz, M. D. Maia

arxiv:1101.3951 v1 · 2011-01-20 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37EGHHGWCRKZJSJNEW3IJZ5C54}

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	2026-05-18T02:22:50.951568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfc8639cd6145594c92d25b684e7a2ef277ced0264c5830ebc24f1b0585f00b1

Aliases

arxiv: 1101.3951 · arxiv_version: 1101.3951v1 · doi: 10.48550/arxiv.1101.3951 · pith_short_12: 37EGHHGWCRKZ · pith_short_16: 37EGHHGWCRKZJSJN · pith_short_8: 37EGHHGW

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/37EGHHGWCRKZJSJNEW3IJZ5C54 \
  | 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: dfc8639cd6145594c92d25b684e7a2ef277ced0264c5830ebc24f1b0585f00b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b6c5f0a101a3d079acd9cdcc26613c8c5400b604a8bcffb101a31f535d65d56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-01-20T16:37:07Z",
    "title_canon_sha256": "1649054ee8d5cd70ed315cc87cc0e58b377868b82844cdc25a4536587132201f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3951",
    "kind": "arxiv",
    "version": 1
  }
}