Pith Number

pith:NELSFRLT

pith:2008:NELSFRLTQ5EE6HFXYTWLLEO5T4

not attested not anchored not stored refs pending

Imprints of cosmic strings on the cosmological gravitational wave background

Demetros B Papadopoulos, Enric Verdaguer, Kostas Kleidis, Loukas Vlahos

arxiv:0806.2999 v1 · 2008-06-18 · 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{NELSFRLTQ5EE6HFXYTWLLEO5T4}

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	2026-07-04T17:28:28.114669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

691722c57387484f1cb7c4ecb591dd9f12501e05b1067d767f10cc6069f47192

Aliases

arxiv: 0806.2999 · arxiv_version: 0806.2999v1 · doi: 10.48550/arxiv.0806.2999 · pith_short_12: NELSFRLTQ5EE · pith_short_16: NELSFRLTQ5EE6HFX · pith_short_8: NELSFRLT

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/NELSFRLTQ5EE6HFXYTWLLEO5T4 \
  | 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: 691722c57387484f1cb7c4ecb591dd9f12501e05b1067d767f10cc6069f47192

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb8d1b5a22722138307a6547bd6bc99be79da7cf9c8a0425fe6979b2a15c17f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-06-18T13:36:31Z",
    "title_canon_sha256": "fe2691d7f90c1a919bc620ed423b877947306236d13b5f8a13bbf7e0d1ad9728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.2999",
    "kind": "arxiv",
    "version": 1
  }
}