Pith Number

pith:SFXMZO2B

pith:2012:SFXMZO2BY4RKFHYZWQUJPPZC6E

not attested not anchored not stored refs pending

Gravitating cosmic strings with flat directions

Asier Lopez-Eiguren, Betti Hartmann, Jon Urrestilla, Kepa Sousa

arxiv:1212.6502 v2 · 2012-12-28 · hep-th · astro-ph.CO · 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{SFXMZO2BY4RKFHYZWQUJPPZC6E}

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	2026-05-18T01:52:23.001681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916eccbb41c722a29f19b42897bf22f122570f23691d350c591cd524fe202725

Aliases

arxiv: 1212.6502 · arxiv_version: 1212.6502v2 · doi: 10.48550/arxiv.1212.6502 · pith_short_12: SFXMZO2BY4RK · pith_short_16: SFXMZO2BY4RKFHYZ · pith_short_8: SFXMZO2B

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/SFXMZO2BY4RKFHYZWQUJPPZC6E \
  | 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: 916eccbb41c722a29f19b42897bf22f122570f23691d350c591cd524fe202725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cca149336ac1e60242b3d5b905a184e101afffc2f7b220edf2397a44114e6b3",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-12-28T10:34:06Z",
    "title_canon_sha256": "0967a9f174d0b4bd5a4595121c8e702ab1f1039ff7c5db0b013600a426be1d68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6502",
    "kind": "arxiv",
    "version": 2
  }
}