Pith Number

pith:SKFD76QD

pith:2019:SKFD76QDVHVTB2HKPIXTYYMKVG

not attested not anchored not stored refs pending

New constraints on the initial parameters of low-mass star formation from chemical modeling

Audrey Coutens, Neil Vaytet, Pierre Gratier, Thomas H. G. Vidal, Valentine Wakelam

arxiv:1905.05592 v1 · 2019-05-14 · 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{SKFD76QDVHVTB2HKPIXTYYMKVG}

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	2026-05-17T23:40:32.040399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

928a3ffa03a9eb30e8ea7a2f3c618aa9a51bf8f15482f2da966e27d5a0d073ad

Aliases

arxiv: 1905.05592 · arxiv_version: 1905.05592v1 · doi: 10.48550/arxiv.1905.05592 · pith_short_12: SKFD76QDVHVT · pith_short_16: SKFD76QDVHVTB2HK · pith_short_8: SKFD76QD

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/SKFD76QDVHVTB2HKPIXTYYMKVG \
  | 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: 928a3ffa03a9eb30e8ea7a2f3c618aa9a51bf8f15482f2da966e27d5a0d073ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7880f4089de0824300bac1abbba5f6951ba5c6e15faa70c247852e2c07830a65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-14T13:32:00Z",
    "title_canon_sha256": "88438692e655080a95f60fc21d22d74bfe89c24140451db98b934b891b8d149a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05592",
    "kind": "arxiv",
    "version": 1
  }
}