Pith Number

pith:H7M6FAZ2

pith:2018:H7M6FAZ2DATX36R6NRG62XIFFA

not attested not anchored not stored refs pending

Towards the First Catalog of Fermi-LAT sources below 100 MeV

Dmitry Malyshev, Giacomo Principe, Stefan Funk

arxiv:1802.02913 v1 · 2018-02-08 · 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{H7M6FAZ2DATX36R6NRG62XIFFA}

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	2026-05-18T00:24:02.835896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fd9e2833a18277dfa3e6c4ded5d05283fdf932002df72c5b789f9705134917b

Aliases

arxiv: 1802.02913 · arxiv_version: 1802.02913v1 · doi: 10.48550/arxiv.1802.02913 · pith_short_12: H7M6FAZ2DATX · pith_short_16: H7M6FAZ2DATX36R6 · pith_short_8: H7M6FAZ2

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/H7M6FAZ2DATX36R6NRG62XIFFA \
  | 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: 3fd9e2833a18277dfa3e6c4ded5d05283fdf932002df72c5b789f9705134917b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6afc755633dbed8bfd4973edb7ed6519c3592d8d4396501a744aa3dd3bcda62a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-02-08T15:15:44Z",
    "title_canon_sha256": "5074efc8e60c3a4c44db362872ed8349186aab43bda760f1b3ca8bdb296e971f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02913",
    "kind": "arxiv",
    "version": 1
  }
}