Pith Number

pith:2QOPLO5D

pith:2024:2QOPLO5DDLXHAXLP6QQ6GA7E4A

not attested not anchored not stored refs pending

The dynamic centres of infrared-dark clouds and the formation of cores

Alessio Traficante, Andrew J. Rigby, Elizabeth J. Watkins, Felix D. Priestley, Gary A. Fuller, Gwenllian M. Williams, Mark A. Thompson, Michael Anderson, Nicolas Peretto, Sarah E. Ragan

arxiv:2401.04238 v4 · 2024-01-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QOPLO5DDLXHAXLP6QQ6GA7E4A}

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	2026-07-05T07:39:33.490414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d41cf5bba31aee705d6ff421e303e4e02159902a9a3e73990bdb88933e7c4abc

Aliases

arxiv: 2401.04238 · arxiv_version: 2401.04238v4 · doi: 10.48550/arxiv.2401.04238 · pith_short_12: 2QOPLO5DDLXH · pith_short_16: 2QOPLO5DDLXHAXLP · pith_short_8: 2QOPLO5D

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/2QOPLO5DDLXHAXLP6QQ6GA7E4A \
  | 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: d41cf5bba31aee705d6ff421e303e4e02159902a9a3e73990bdb88933e7c4abc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab25abb2ad6671d3d792b4275656f4f5c0ff92030a2f4308afae5b44a909956b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-01-08T21:12:52Z",
    "title_canon_sha256": "2ffc23199ab805d23d6e44c42706bcffc0cc99c2a072eee3af0d0a5ce4d39afd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.04238",
    "kind": "arxiv",
    "version": 4
  }
}