Pith Number

pith:6FC6BT5E

pith:2012:6FC6BT5EQBEGZBTKYHR3MX5ICI

not attested not anchored not stored refs pending

Estimating column density from ammonia (1,1) emission in star-forming regions

D.J. Eden, J.Allsopp, L. K. Morgan, T. J. T. Moore

arxiv:1204.6041 v2 · 2012-04-26 · astro-ph.IM · 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{6FC6BT5EQBEGZBTKYHR3MX5ICI}

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	2026-05-18T01:57:43.607517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f145e0cfa480486c866ac1e3b65fa81219fd3cb9a2d7f2cbe813795c6bd61e84

Aliases

arxiv: 1204.6041 · arxiv_version: 1204.6041v2 · doi: 10.48550/arxiv.1204.6041 · pith_short_12: 6FC6BT5EQBEG · pith_short_16: 6FC6BT5EQBEGZBTK · pith_short_8: 6FC6BT5E

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/6FC6BT5EQBEGZBTKYHR3MX5ICI \
  | 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: f145e0cfa480486c866ac1e3b65fa81219fd3cb9a2d7f2cbe813795c6bd61e84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95d9678bbcbfaa933a2861fde67f922fb478fb09c8e2606ce7e9e87353369a69",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-04-26T20:00:02Z",
    "title_canon_sha256": "3f5e5552f1fbd2a0a89431d82e6518eb3cd76f31f2e7cea7daebec33d2c05926"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6041",
    "kind": "arxiv",
    "version": 2
  }
}