Pith Number

pith:DUVEWX6Z

pith:2010:DUVEWX6ZAMTO5CW7LV2U2QRH3V

not attested not anchored not stored refs pending

Fermi LAT Observations of the Supernova Remnant W28 (G6.4-0.1)

et al., The Fermi-LAT collaboration: A. A. Abdo

arxiv:1005.4474 v1 · 2010-05-25 · 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{DUVEWX6ZAMTO5CW7LV2U2QRH3V}

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	2026-05-18T01:17:21.298357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d2a4b5fd90326ee8adf5d754d4227dd7ed32e1d8f1ee22526b7cb98cbe9bee8

Aliases

arxiv: 1005.4474 · arxiv_version: 1005.4474v1 · doi: 10.48550/arxiv.1005.4474 · pith_short_12: DUVEWX6ZAMTO · pith_short_16: DUVEWX6ZAMTO5CW7 · pith_short_8: DUVEWX6Z

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/DUVEWX6ZAMTO5CW7LV2U2QRH3V \
  | 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: 1d2a4b5fd90326ee8adf5d754d4227dd7ed32e1d8f1ee22526b7cb98cbe9bee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4614a01bb546c7aa7d4c067a3cb5acfe839c037ad7898e9caa40ad262783783",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-05-25T03:38:26Z",
    "title_canon_sha256": "d09f648699e850addb1aaf490c878310e36a41057192c1197b224fefc4a5dca6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4474",
    "kind": "arxiv",
    "version": 1
  }
}