Pith Number

pith:ERU55NUJ

pith:2015:ERU55NUJZENCC22XKG5WIW3BXY

not attested not anchored not stored refs pending

Angular momentum distribution during the collapse of primordial star-forming clouds

Jayanta Dutta

arxiv:1512.01656 v1 · 2015-12-05 · 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{ERU55NUJZENCC22XKG5WIW3BXY}

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	2026-05-18T01:24:32.491991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2469deb689c91a216b5751bb645b61be2875e65f505d7bce69be54e4a4bf1945

Aliases

arxiv: 1512.01656 · arxiv_version: 1512.01656v1 · doi: 10.48550/arxiv.1512.01656 · pith_short_12: ERU55NUJZENC · pith_short_16: ERU55NUJZENCC22X · pith_short_8: ERU55NUJ

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/ERU55NUJZENCC22XKG5WIW3BXY \
  | 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: 2469deb689c91a216b5751bb645b61be2875e65f505d7bce69be54e4a4bf1945

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cd73245d2fd4e3c7067beaefd16a701fb11224d74d6200d1e8a30707e2c318e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-05T12:11:09Z",
    "title_canon_sha256": "79f8fa7a2b5f046881a57401da22f76dab8b94ca44dbdfc58cfd8d45e4ebfaf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01656",
    "kind": "arxiv",
    "version": 1
  }
}