Pith Number

pith:4PZQHCRU

pith:2012:4PZQHCRUYGWSYWXQX7DGL3XMDT

not attested not anchored not stored refs pending

Chemical modeling of Infrared Dark Clouds: the Role of Surface Chemistry

A. I. Vasyunin, E. Herbst, H. Linz, T. Vasyunina

arxiv:1203.5561 v1 · 2012-03-26 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PZQHCRUYGWSYWXQX7DGL3XMDT}

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.

Cited by

1 paper in Pith

Global and Local Infall in the ASHES Sample (GLASHES). II. Asymmetric Line Profiles around Dense Cores in 70 $\mu$m Dark Massive Clumps

Receipt and verification

First computed	2026-05-18T01:58:01.972512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3f3038a34c1ad2c5af0bfc665eeec1ccd47e26c480d542faf6718aef4e7fee1

Aliases

arxiv: 1203.5561 · arxiv_version: 1203.5561v1 · doi: 10.48550/arxiv.1203.5561 · pith_short_12: 4PZQHCRUYGWS · pith_short_16: 4PZQHCRUYGWSYWXQ · pith_short_8: 4PZQHCRU

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/4PZQHCRUYGWSYWXQX7DGL3XMDT \
  | 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: e3f3038a34c1ad2c5af0bfc665eeec1ccd47e26c480d542faf6718aef4e7fee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "784c39ed6d3216aadbbd2467c0b73cf41b0f1bd2d0e639f5dcd607ceda3b148a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-26T00:25:01Z",
    "title_canon_sha256": "1053f32689690903c34ce84037a61bd9a4d636b8c60c25936fcb71fb617b3717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5561",
    "kind": "arxiv",
    "version": 1
  }
}