Pith Number

pith:X6VBTLOT

pith:2018:X6VBTLOT5BYD3OO4YDOPNOHOHE

not attested not anchored not stored refs pending

The effect of extreme ionisation rates during the initial collapse of a molecular cloud core

Daniel J. Price, James Wurster, Matthew R. Bate

arxiv:1802.04872 v1 · 2018-02-13 · astro-ph.SR · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6VBTLOT5BYD3OO4YDOPNOHOHE}

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	2026-05-18T00:22:22.449043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfaa19add3e8703db9dcc0dcf6b8ee390d3d8d4c968af445b59d8fca86d543ea

Aliases

arxiv: 1802.04872 · arxiv_version: 1802.04872v1 · doi: 10.48550/arxiv.1802.04872 · pith_short_12: X6VBTLOT5BYD · pith_short_16: X6VBTLOT5BYD3OO4 · pith_short_8: X6VBTLOT

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/X6VBTLOT5BYD3OO4YDOPNOHOHE \
  | 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: bfaa19add3e8703db9dcc0dcf6b8ee390d3d8d4c968af445b59d8fca86d543ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c533f366fb6447a4b0476f4a39c7c99e39ff9f9246102283d1c79464dedba83",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-13T21:52:02Z",
    "title_canon_sha256": "c1150bf17b5b73d68c2e66b8a263998a8ac2ae70cfaebf63a8edb8c7a1600468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04872",
    "kind": "arxiv",
    "version": 1
  }
}