Pith Number

pith:XBVQMIKH

pith:2014:XBVQMIKHPYBFTMWAQBFANDGXTD

not attested not anchored not stored refs pending

The Darkest Shadows: Deep Mid-Infrared Extinction Mapping of a Massive Protocluster

Jonathan C. Tan, Jouni Kainulainen, Michael J. Butler

arxiv:1401.6855 v1 · 2014-01-27 · astro-ph.SR · 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{XBVQMIKHPYBFTMWAQBFANDGXTD}

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	2026-05-18T01:45:12.109124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b86b0621477e0259b2c0804a068cd798c8c390b63ee2e88773aa2e0111337c83

Aliases

arxiv: 1401.6855 · arxiv_version: 1401.6855v1 · doi: 10.48550/arxiv.1401.6855 · pith_short_12: XBVQMIKHPYBF · pith_short_16: XBVQMIKHPYBFTMWA · pith_short_8: XBVQMIKH

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/XBVQMIKHPYBFTMWAQBFANDGXTD \
  | 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: b86b0621477e0259b2c0804a068cd798c8c390b63ee2e88773aa2e0111337c83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5088bb8cc398345f544af6c32cb587d86359700d0ebfa67a327dd29bdecc4ff6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-27T14:06:46Z",
    "title_canon_sha256": "b4d7ef3db82f304da69d2e3f604020c8ac5f323a516dcfa7a4db4d92cdcf8a0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6855",
    "kind": "arxiv",
    "version": 1
  }
}