Pith Number

pith:I2CJPRPY

pith:2016:I2CJPRPYXADLJKT2YLY36SYVUT

not attested not anchored not stored refs pending

The First Stars: formation under cosmic ray feedback

Athena Stacy, Jacob A. Hummel, Volker Bromm

arxiv:1602.06948 v1 · 2016-02-22 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I2CJPRPYXADLJKT2YLY36SYVUT}

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	2026-05-18T01:10:31.006338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

468497c5f8b806b4aa7ac2f1bf4b15a4c0eb41d44f5655f80f57a38c78fa4d5c

Aliases

arxiv: 1602.06948 · arxiv_version: 1602.06948v1 · doi: 10.48550/arxiv.1602.06948 · pith_short_12: I2CJPRPYXADL · pith_short_16: I2CJPRPYXADLJKT2 · pith_short_8: I2CJPRPY

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/I2CJPRPYXADLJKT2YLY36SYVUT \
  | 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: 468497c5f8b806b4aa7ac2f1bf4b15a4c0eb41d44f5655f80f57a38c78fa4d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a03e2a61de45b89368250a844de71cd0e1429f38271f4cc8f158eade0946e91f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-22T21:00:00Z",
    "title_canon_sha256": "5378551052e338b9894c572f5f98eb0e1b127dbd83eaf61819249644e11202ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06948",
    "kind": "arxiv",
    "version": 1
  }
}