Pith Number

pith:EPNGUE3E

pith:2010:EPNGUE3EEUYUETQA5QAN4MKPCH

not attested not anchored not stored refs pending

Upgrades to the Event Simulation and Reconstruction for the Fermi Large Area Telescope

Bill Atwood, Leon Rochester, Robert P. Johnson, Tracy Usher

arxiv:1001.5005 v1 · 2010-01-27 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPNGUE3EEUYUETQA5QAN4MKPCH}

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	2026-07-04T17:20:29.208210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23da6a13642531424e00ec00de314f11d347c4959a5c663846725a4abb469502

Aliases

arxiv: 1001.5005 · arxiv_version: 1001.5005v1 · doi: 10.48550/arxiv.1001.5005 · pith_short_12: EPNGUE3EEUYU · pith_short_16: EPNGUE3EEUYUETQA · pith_short_8: EPNGUE3E

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/EPNGUE3EEUYUETQA5QAN4MKPCH \
  | 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: 23da6a13642531424e00ec00de314f11d347c4959a5c663846725a4abb469502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddee8f40e921251a6f65f6842ca5bb46294b6fbc6b6119312b992fd32c308cdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-01-27T19:27:37Z",
    "title_canon_sha256": "45bb0839bdc41c7efa4137d828a32175f045114aa11ff8a7f0cad3a045bd8c7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5005",
    "kind": "arxiv",
    "version": 1
  }
}