Pith Number

pith:ZIDH4WKM

pith:2015:ZIDH4WKMNMA6ISNXZR7MIXHD4Z

not attested not anchored not stored refs pending

Very Large Interstellar Grains as Evidenced by the Mid-Infrared Extinction

Aigen Li, B.W. Jiang, Shu Wang

arxiv:1508.03403 v1 · 2015-08-14 · 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{ZIDH4WKMNMA6ISNXZR7MIXHD4Z}

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	2026-05-18T01:32:26.977877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca067e594c6b01e449b7cc7ec45ce3e670b60a25bb08da6ed8256ecfa0d7c965

Aliases

arxiv: 1508.03403 · arxiv_version: 1508.03403v1 · doi: 10.48550/arxiv.1508.03403 · pith_short_12: ZIDH4WKMNMA6 · pith_short_16: ZIDH4WKMNMA6ISNX · pith_short_8: ZIDH4WKM

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/ZIDH4WKMNMA6ISNXZR7MIXHD4Z \
  | 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: ca067e594c6b01e449b7cc7ec45ce3e670b60a25bb08da6ed8256ecfa0d7c965

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d172574879c83a8dadb28db77a93ca65908f9e22b3f6ec6b8c1ae11bcffe8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-14T02:09:55Z",
    "title_canon_sha256": "10d02da67ff545898689c1d996af3580ede0f44f9486af2f59e8a9a732ca946e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03403",
    "kind": "arxiv",
    "version": 1
  }
}