Pith Number

pith:AGHELT3C

pith:2013:AGHELT3CAYJBCY7GPXDZ2JDAPC

not attested not anchored not stored refs pending

Type D vacuum solutions: a new intrinsic approach

Joan Josep Ferrando, Juan Antonio S\'aez

arxiv:1309.4633 v2 · 2013-09-18 · 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{AGHELT3CAYJBCY7GPXDZ2JDAPC}

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	2026-05-18T01:47:35.911646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

018e45cf6206121163e67dc79d246078a02d51e605117ffdaf14e3e93e3733fb

Aliases

arxiv: 1309.4633 · arxiv_version: 1309.4633v2 · doi: 10.48550/arxiv.1309.4633 · pith_short_12: AGHELT3CAYJB · pith_short_16: AGHELT3CAYJBCY7G · pith_short_8: AGHELT3C

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/AGHELT3CAYJBCY7GPXDZ2JDAPC \
  | 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: 018e45cf6206121163e67dc79d246078a02d51e605117ffdaf14e3e93e3733fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bde55969b917091cdcb6f678cb6720052f20c5870b121dee3a53efc15aef7b5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-18T12:58:07Z",
    "title_canon_sha256": "3fdbd4fd100f1d1f4c15d512dfd3be88365254869c01b9cb3ca1fc5d940b951d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4633",
    "kind": "arxiv",
    "version": 2
  }
}