Pith Number

pith:FG2EL5F7

pith:2018:FG2EL5F722OOPENYYWALLVF6HO

not attested not anchored not stored refs pending

A $\gamma$-ray determination of the Universe's star-formation history

A. Desai, A. Dominguez, J. Finke, K. Helgason, The Fermi-LAT Collaboration. Contact Authors: M. Ajello, V. Paliya

arxiv:1812.01031 v1 · 2018-12-03 · 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{FG2EL5F722OOPENYYWALLVF6HO}

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	2026-05-17T23:59:13.469305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29b445f4bfd69ce791b8c580b5d4be3b955a9730d209089fa1af6f5b21bc17ab

Aliases

arxiv: 1812.01031 · arxiv_version: 1812.01031v1 · doi: 10.48550/arxiv.1812.01031 · pith_short_12: FG2EL5F722OO · pith_short_16: FG2EL5F722OOPENY · pith_short_8: FG2EL5F7

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/FG2EL5F722OOPENYYWALLVF6HO \
  | 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: 29b445f4bfd69ce791b8c580b5d4be3b955a9730d209089fa1af6f5b21bc17ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe2f2102aa85ebad884887132a23f63c77a5e61b06faef99808e474ae3e43278",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-12-03T19:06:31Z",
    "title_canon_sha256": "f994b1dcb4c50083326780d690ae7a9b326cce22d5b5c5733288ecd99705a03e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01031",
    "kind": "arxiv",
    "version": 1
  }
}