Pith Number

pith:PUWPYJGC

pith:2011:PUWPYJGC5BNJGLISZZYQGAHZLS

not attested not anchored not stored refs pending

Non-Equilibrium Chemistry of Dynamically Evolving Prestellar Cores: II. Ionization and Magnetic Field

Harold W. Yorke, Karen Willacy, Konstantinos Tassis, Neal Turner

arxiv:1111.4218 v2 · 2011-11-17 · 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{PUWPYJGC5BNJGLISZZYQGAHZLS}

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	2026-05-18T01:59:31.427036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d2cfc24c2e85a932d12ce710300f95c9c016251494beb89ec7719a40d7c4823

Aliases

arxiv: 1111.4218 · arxiv_version: 1111.4218v2 · doi: 10.48550/arxiv.1111.4218 · pith_short_12: PUWPYJGC5BNJ · pith_short_16: PUWPYJGC5BNJGLIS · pith_short_8: PUWPYJGC

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/PUWPYJGC5BNJGLISZZYQGAHZLS \
  | 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: 7d2cfc24c2e85a932d12ce710300f95c9c016251494beb89ec7719a40d7c4823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f4bfa8028a0bbd0ca4e409a2a40417bae18af2e3168e145d0652a1c3d35bb66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-17T21:03:21Z",
    "title_canon_sha256": "f1d64d214682f4b09c2a23a402865bf7e94a78ac6486ed1c6f3e92126dd3f3fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4218",
    "kind": "arxiv",
    "version": 2
  }
}