Pith Number

pith:ZAYC7U5H

pith:2011:ZAYC7U5HJYC2MPTTIER4BU7BRN

not attested not anchored not stored refs pending

A Density Matrix Renormalization Group Method Study of Optical Properties of Porphines and Metalloporphines

Manoranjan Kumar, S. Ramasesha, Y. Anusooya Pati

arxiv:1108.0854 v1 · 2011-08-03 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAYC7U5HJYC2MPTTIER4BU7BRN}

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	2026-05-18T02:01:03.557224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8302fd3a74e05a63e734123c0d3e18b605ab56e569c83c3ca0c6cdc665da82c

Aliases

arxiv: 1108.0854 · arxiv_version: 1108.0854v1 · doi: 10.48550/arxiv.1108.0854 · pith_short_12: ZAYC7U5HJYC2 · pith_short_16: ZAYC7U5HJYC2MPTT · pith_short_8: ZAYC7U5H

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/ZAYC7U5HJYC2MPTTIER4BU7BRN \
  | 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: c8302fd3a74e05a63e734123c0d3e18b605ab56e569c83c3ca0c6cdc665da82c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9da1fe4e631a73ca048bd0ec66937cd90db0629795dbd406d91cb9d8263849b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2011-08-03T14:41:28Z",
    "title_canon_sha256": "620b723695e3587c2fc8bf4a602310df806783018ca9f4553cb8ce89d7e7320f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0854",
    "kind": "arxiv",
    "version": 1
  }
}