Pith Number

pith:NFZZ5H2M

pith:2011:NFZZ5H2MJ7O46YNPOXZRKQKSUW

not attested not anchored not stored refs pending

AKARI Near-infrared Spectral Observations of Shocked H2 Gas of the Supernova Remnant IC 443

Bon-Chul Koo, Ho-Gyu Lee, Jong-Ho Shinn, Kwang-Il Seon

arxiv:1103.3081 v1 · 2011-03-16 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFZZ5H2MJ7O46YNPOXZRKQKSUW}

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	2026-05-18T02:02:52.920940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69739e9f4c4fddcf61af75f3154152a5bd1a44abf385903cb8325bd582fac662

Aliases

arxiv: 1103.3081 · arxiv_version: 1103.3081v1 · doi: 10.48550/arxiv.1103.3081 · pith_short_12: NFZZ5H2MJ7O4 · pith_short_16: NFZZ5H2MJ7O46YNP · pith_short_8: NFZZ5H2M

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/NFZZ5H2MJ7O46YNPOXZRKQKSUW \
  | 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: 69739e9f4c4fddcf61af75f3154152a5bd1a44abf385903cb8325bd582fac662

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a33b452ef23b3cf340b0dc35d72e644784a556466b69c59826787bd5490830cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-03-16T03:02:22Z",
    "title_canon_sha256": "ccd73f998d4dd4174e48a314d5753ed7e656d5dac1b9f11690eeec5d76987082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3081",
    "kind": "arxiv",
    "version": 1
  }
}