Pith Number

pith:INCNKVOU

pith:2021:INCNKVOU5SWUV2XU5H6LKF4SJH

not attested not anchored not stored refs pending

Probing the initial mass function of the first stars with transients

Alexanders Lazar, Volker Bromm

arxiv:2110.11956 v2 · 2021-10-22 · astro-ph.HE · astro-ph.CO · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INCNKVOU5SWUV2XU5H6LKF4SJH}

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	2026-07-05T03:55:03.851729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4344d555d4ecad4aeaf4e9fcb5179249c5c2f38fe6c85aa32bae560cc788d9a9

Aliases

arxiv: 2110.11956 · arxiv_version: 2110.11956v2 · doi: 10.48550/arxiv.2110.11956 · pith_short_12: INCNKVOU5SWU · pith_short_16: INCNKVOU5SWUV2XU · pith_short_8: INCNKVOU

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/INCNKVOU5SWUV2XU5H6LKF4SJH \
  | 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: 4344d555d4ecad4aeaf4e9fcb5179249c5c2f38fe6c85aa32bae560cc788d9a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9845ede2d9b52efc43c217922936e75960b61b4e849aebc476c7e2156d1b6fa8",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-10-22T18:00:00Z",
    "title_canon_sha256": "13e9870d3497a71d881baed7867ce3a697dd10e86f20412500d96d4e5da4fcac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11956",
    "kind": "arxiv",
    "version": 2
  }
}