Pith Number

pith:PRPEUYZV

pith:2008:PRPEUYZVLPC5YUGZ5VAEWZXY4D

not attested not anchored not stored refs pending

Search for Redshifted 2.2 MeV Neutron Capture Line From A0535+262 in Outburst

Emrah Kalemci, Matthew G. Baring, Peter Kretschmar, Sirin Caliskan, Steven E. Boggs

arxiv:0812.2742 v1 · 2008-12-15 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRPEUYZVLPC5YUGZ5VAEWZXY4D}

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	2026-05-18T04:29:24.532738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c5e4a63355bc5dc50d9ed404b66f8e0de84f5203bc5179e22e49b4cf1f77c95

Aliases

arxiv: 0812.2742 · arxiv_version: 0812.2742v1 · doi: 10.48550/arxiv.0812.2742 · pith_short_12: PRPEUYZVLPC5 · pith_short_16: PRPEUYZVLPC5YUGZ · pith_short_8: PRPEUYZV

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/PRPEUYZVLPC5YUGZ5VAEWZXY4D \
  | 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: 7c5e4a63355bc5dc50d9ed404b66f8e0de84f5203bc5179e22e49b4cf1f77c95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "216fb21490c03fb2ab795733fc3e6cb7651793e513b073934a77919e4f480462",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-15T08:15:56Z",
    "title_canon_sha256": "0fb45c00fcde27b66df8a4410e053a65a6b37e12ac83d8f883ef6c3c146061e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2742",
    "kind": "arxiv",
    "version": 1
  }
}