Pith Number

pith:2XTZADRP

pith:2013:2XTZADRPZOFITRGIGVIGLBQ66N

not attested not anchored not stored refs pending

A tool to estimate the Fermi Large Area Telescope background for short-duration observations

V. Vasileiou

arxiv:1307.4284 v1 · 2013-07-16 · astro-ph.IM · 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{2XTZADRPZOFITRGIGVIGLBQ66N}

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	2026-05-18T03:14:51.838565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5e7900e2fcb8a89c4c8355065861ef34222480fa3c35712f39a051125147b81

Aliases

arxiv: 1307.4284 · arxiv_version: 1307.4284v1 · doi: 10.48550/arxiv.1307.4284 · pith_short_12: 2XTZADRPZOFI · pith_short_16: 2XTZADRPZOFITRGI · pith_short_8: 2XTZADRP

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/2XTZADRPZOFITRGIGVIGLBQ66N \
  | 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: d5e7900e2fcb8a89c4c8355065861ef34222480fa3c35712f39a051125147b81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aefb88e439a3b5d6905f1ac9283c5bc114d5e550defde5d5d0cab66c798a38b3",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-07-16T14:17:30Z",
    "title_canon_sha256": "df2704cc91ffa45241dd341fdeb3463c255ca5531323206767832697201726c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4284",
    "kind": "arxiv",
    "version": 1
  }
}