Pith Number

pith:WBFC53WC

pith:2014:WBFC53WCCU7DE52VRUBLX2PELF

not attested not anchored not stored refs pending

A common column density threshold for scattering at 3.6 mum and water-ice in molecular clouds

J. Steinacker, M. Andersen, N. Tothill, W-F. Thi

arxiv:1407.5836 v1 · 2014-07-22 · 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{WBFC53WCCU7DE52VRUBLX2PELF}

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	2026-05-18T02:43:34.238335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b04a2eeec2153e3277558d02bbe9e4594e0878a4fb27bfef137cf8b863bbae64

Aliases

arxiv: 1407.5836 · arxiv_version: 1407.5836v1 · doi: 10.48550/arxiv.1407.5836 · pith_short_12: WBFC53WCCU7D · pith_short_16: WBFC53WCCU7DE52V · pith_short_8: WBFC53WC

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/WBFC53WCCU7DE52VRUBLX2PELF \
  | 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: b04a2eeec2153e3277558d02bbe9e4594e0878a4fb27bfef137cf8b863bbae64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce3566b7823b05d53b0f2e8b0e9fa00ae5d027d1522f77f2d34ffb4f3c487f3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-22T12:24:39Z",
    "title_canon_sha256": "1b41f3b2480cfe4a6ca806da48af09087af2086949e32a693ef4f3b6b1518c83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5836",
    "kind": "arxiv",
    "version": 1
  }
}