Pith Number

pith:M3EMRBLH

pith:2018:M3EMRBLH2TIDOVAVUS54RTCFZO

not attested not anchored not stored refs pending

Density Matrix Renormalization Group Pair-Density Functional Theory (DMRG-PDFT): Singlet-Triplet Gaps in Polyacenes and Polyacetylenes

Donald G. Truhlar, Laura Gagliardi, Prachi Sharma, Stefan Knecht, Varinia Bernales

arxiv:1808.06273 v1 · 2018-08-20 · physics.chem-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{M3EMRBLH2TIDOVAVUS54RTCFZO}

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	2026-05-18T00:07:45.504660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66c8c88567d4d0375415a4bbc8cc45cbb6ab288307d60ce66a77f98f9f784548

Aliases

arxiv: 1808.06273 · arxiv_version: 1808.06273v1 · doi: 10.48550/arxiv.1808.06273 · pith_short_12: M3EMRBLH2TID · pith_short_16: M3EMRBLH2TIDOVAV · pith_short_8: M3EMRBLH

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/M3EMRBLH2TIDOVAVUS54RTCFZO \
  | 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: 66c8c88567d4d0375415a4bbc8cc45cbb6ab288307d60ce66a77f98f9f784548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "730de5ed6ae603774295aee8663444a74b20461a5b48796d3fd4850ab775f9be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-08-20T00:15:46Z",
    "title_canon_sha256": "9047782700da6c0e97b48c3353724c85d66a221edc9dca111d69f4e93cab4087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06273",
    "kind": "arxiv",
    "version": 1
  }
}