Pith Number

pith:7O6L5DNN

pith:2015:7O6L5DNNYYRBF67BVC4I2IUIVO

not attested not anchored not stored refs pending

Scalar field as a time variable during gravitational evolution

Anna Nakonieczna, Jerzy lewandowski

arxiv:1508.05578 v2 · 2015-08-23 · 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{7O6L5DNNYYRBF67BVC4I2IUIVO}

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	2026-05-18T01:32:09.911948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbbcbe8dadc62212fbe1a8b88d2288ab82a4f2dabf0cc387480e6ae64b3b6030

Aliases

arxiv: 1508.05578 · arxiv_version: 1508.05578v2 · doi: 10.48550/arxiv.1508.05578 · pith_short_12: 7O6L5DNNYYRB · pith_short_16: 7O6L5DNNYYRBF67B · pith_short_8: 7O6L5DNN

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/7O6L5DNNYYRBF67BVC4I2IUIVO \
  | 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: fbbcbe8dadc62212fbe1a8b88d2288ab82a4f2dabf0cc387480e6ae64b3b6030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "465b2b4600198f41ecc7a5d2cf0af136fd000a5c4786a5cbb99b77fb414e1c1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-08-23T08:38:53Z",
    "title_canon_sha256": "78eb2754a091f406963bc5d6a5a0769d1cdf3fbe0c20572a5538542bf961fc26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05578",
    "kind": "arxiv",
    "version": 2
  }
}