pith. sign in
Pith Number

pith:DJRHBJE3

pith:2012:DJRHBJE354B3ZELLYK47HR2B6K
not attested not anchored not stored refs pending

Complete Break Up of Ortho Positronium (Ps)- Hydrogenic ion System

C. Sinha, D. Ghosh, S. Mukhopadhyay

arxiv:1204.6121 v1 · 2012-04-27 · physics.atom-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DJRHBJE354B3ZELLYK47HR2B6K}

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 2026-05-18T01:57:43.399147Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1a6270a49bef03bc916bc2b9f3c741f29876379bd0fa2859b026fae6126ebc7c

Aliases

arxiv: 1204.6121 · arxiv_version: 1204.6121v1 · doi: 10.48550/arxiv.1204.6121 · pith_short_12: DJRHBJE354B3 · pith_short_16: DJRHBJE354B3ZELL · pith_short_8: DJRHBJE3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DJRHBJE354B3ZELLYK47HR2B6K \
  | 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: 1a6270a49bef03bc916bc2b9f3c741f29876379bd0fa2859b026fae6126ebc7c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4b14c7010ef0cc7be18018cbcb12442a853800af0c385544203968306a9daa87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-04-27T07:15:39Z",
    "title_canon_sha256": "3f55575165517088df256bbfd40d2b679a6275a2b60d154967d77779ad611906"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6121",
    "kind": "arxiv",
    "version": 1
  }
}