Pith Number

pith:EC5MU4AM

pith:2016:EC5MU4AMGVOYUVU4D5HLQGOU3Q

not attested not anchored not stored refs pending

The Nuclear Window to the Extragalactic Universe

Gero M\"uller, Marcus Wirtz, Martin Erdmann, Martin Urban

arxiv:1607.01645 v2 · 2016-07-06 · 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{EC5MU4AMGVOYUVU4D5HLQGOU3Q}

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	2026-05-18T00:55:46.075835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20baca700c355d8a569c1f4eb819d4dc08c0ed56f3c3c8b898eb4a1af425c9cc

Aliases

arxiv: 1607.01645 · arxiv_version: 1607.01645v2 · doi: 10.48550/arxiv.1607.01645 · pith_short_12: EC5MU4AMGVOY · pith_short_16: EC5MU4AMGVOYUVU4 · pith_short_8: EC5MU4AM

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/EC5MU4AMGVOYUVU4D5HLQGOU3Q \
  | 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: 20baca700c355d8a569c1f4eb819d4dc08c0ed56f3c3c8b898eb4a1af425c9cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3c864a34f3800123d5c07406ac94f9782d47c72921e9faeabb2b0b93aebb624",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-07-06T14:42:30Z",
    "title_canon_sha256": "039087f1efcfa54b813eb815402fd86a870d417cefb8ca7f96f9218e014d0e2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01645",
    "kind": "arxiv",
    "version": 2
  }
}