Pith Number

pith:M5ENC4SU

pith:2012:M5ENC4SUMRDCIOJ7KTGPBZ2Q63

not attested not anchored not stored refs pending

Discovery of Crystallized Water Ice in a Silhouette Disk in the M43 Region

Alan T. Tokunaga, Hiroshi Terada

arxiv:1204.5503 v1 · 2012-04-24 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M5ENC4SUMRDCIOJ7KTGPBZ2Q63}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

Constraints on the Crystallinity of Water Ice in Planet-forming Disks from Infrared Scattered-Light Spectra

Receipt and verification

First computed	2026-05-18T01:57:46.466429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6748d17254644624393f54ccf0e750f6f8da8336f1ae050d98e54255a3e32969

Aliases

arxiv: 1204.5503 · arxiv_version: 1204.5503v1 · doi: 10.48550/arxiv.1204.5503 · pith_short_12: M5ENC4SUMRDC · pith_short_16: M5ENC4SUMRDCIOJ7 · pith_short_8: M5ENC4SU

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/M5ENC4SUMRDCIOJ7KTGPBZ2Q63 \
  | 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: 6748d17254644624393f54ccf0e750f6f8da8336f1ae050d98e54255a3e32969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27629c7ffb2dbed071df21c5a3dee74c8555e4f15692d1154cfca80fcd9ce6db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-04-24T22:13:36Z",
    "title_canon_sha256": "68bd7e7fff6a8a6fad821040cf99c605bd684125b531d2bf9b67ed721799ba06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5503",
    "kind": "arxiv",
    "version": 1
  }
}