Pith Number

pith:4D7VYOT4

pith:2013:4D7VYOT4YF53DKNTJOVVKDPSY3

not attested not anchored not stored refs pending

Standard and exotic singularities regularized by varying constants

Adam Balcerzak, Konrad Marosek, Mariusz P. Dabrowski

arxiv:1308.5462 v1 · 2013-08-25 · astro-ph.CO · 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{4D7VYOT4YF53DKNTJOVVKDPSY3}

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	2026-05-18T03:15:04.560670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0ff5c3a7cc17bb1a9b34bab550df2c6c69c269bfe289f4c606ef31370d0b1bd

Aliases

arxiv: 1308.5462 · arxiv_version: 1308.5462v1 · doi: 10.48550/arxiv.1308.5462 · pith_short_12: 4D7VYOT4YF53 · pith_short_16: 4D7VYOT4YF53DKNT · pith_short_8: 4D7VYOT4

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/4D7VYOT4YF53DKNTJOVVKDPSY3 \
  | 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: e0ff5c3a7cc17bb1a9b34bab550df2c6c69c269bfe289f4c606ef31370d0b1bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0689eed17bd22c2193cf4ec27cce920db27cb5590ebfd712bd948aae30cfc076",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-25T23:11:38Z",
    "title_canon_sha256": "40d3dadff3d685ad63aee8abdf7082830adc950c0ff99d95d89cd5bd606c0d6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5462",
    "kind": "arxiv",
    "version": 1
  }
}