Pith Number

pith:FBPIAKNR

pith:2010:FBPIAKNR7O6EVEAIIVYEPLDSRB

not attested not anchored not stored refs pending

Observation of Supernova Remnant IC443 with the Fermi Large Area Telescope

A.A. Abdo, et al. (Fermi Large Area Telescope Collaboration)

arxiv:1002.2198 v1 · 2010-02-10 · 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{FBPIAKNR7O6EVEAIIVYEPLDSRB}

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	2026-05-18T02:09:09.822738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

285e8029b1fbbc4a9008457047ac72884d8f6298a1778034abd0123392e96b60

Aliases

arxiv: 1002.2198 · arxiv_version: 1002.2198v1 · doi: 10.48550/arxiv.1002.2198 · pith_short_12: FBPIAKNR7O6E · pith_short_16: FBPIAKNR7O6EVEAI · pith_short_8: FBPIAKNR

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/FBPIAKNR7O6EVEAIIVYEPLDSRB \
  | 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: 285e8029b1fbbc4a9008457047ac72884d8f6298a1778034abd0123392e96b60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49056ceef1bbb6e0e304c5da8e164d2099b58681c0eaf97a1c2765cd7b6910f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-02-10T20:09:30Z",
    "title_canon_sha256": "7791801743630e02ec640a0bc836c2a3a3314aa21f9c82cd8718b750e491a89f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2198",
    "kind": "arxiv",
    "version": 1
  }
}