Pith Number

pith:PGXLEIVN

pith:2021:PGXLEIVNBQA7AIRSAFJWULTBGS

not attested not anchored not stored refs pending

Footprints of population III stars in the gravitational-wave background

Carole Perigois, Katarina Martinovic, Mairi Sakellariadou, Tania Regimbau

arxiv:2109.09779 v1 · 2021-09-20 · astro-ph.SR · 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{PGXLEIVNBQA7AIRSAFJWULTBGS}

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.

Cited by

1 paper in Pith

Science with the Einstein Telescope: a comparison of different designs

Receipt and verification

First computed	2026-07-05T05:20:32.856618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79aeb222ad0c01f0223201536a2e61348abcba9a2f0060ed7a1313139eb231ac

Aliases

arxiv: 2109.09779 · arxiv_version: 2109.09779v1 · doi: 10.48550/arxiv.2109.09779 · pith_short_12: PGXLEIVNBQA7 · pith_short_16: PGXLEIVNBQA7AIRS · pith_short_8: PGXLEIVN

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/PGXLEIVNBQA7AIRSAFJWULTBGS \
  | 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: 79aeb222ad0c01f0223201536a2e61348abcba9a2f0060ed7a1313139eb231ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcedf90577217d3f1504138819c7cce58604a777a7cabe0a3c513ee8b16f2d8b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-20T18:14:38Z",
    "title_canon_sha256": "4e8845a8e1f31af738d5a9eddcb761f6f20b01ad1de269c59a769638c77d3fe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09779",
    "kind": "arxiv",
    "version": 1
  }
}