Pith Number

pith:DGR37DWE

pith:2009:DGR37DWEY24GWVM4PDFDTFJ3B3

not attested not anchored not stored refs pending

Correlated-electron description of the photophysics of thin films of $\pi$-conjugated polymers

D. Psiachos, S. Mazumdar

arxiv:0901.3121 v1 · 2009-01-20 · cond-mat.mtrl-sci · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DGR37DWEY24GWVM4PDFDTFJ3B3}

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	2026-07-04T15:42:37.707570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19a3bf8ec4c6b86b559c78ca39953b0ee80e41809695903496705e18679a5906

Aliases

arxiv: 0901.3121 · arxiv_version: 0901.3121v1 · doi: 10.48550/arxiv.0901.3121 · pith_short_12: DGR37DWEY24G · pith_short_16: DGR37DWEY24GWVM4 · pith_short_8: DGR37DWE

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/DGR37DWEY24GWVM4PDFDTFJ3B3 \
  | 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: 19a3bf8ec4c6b86b559c78ca39953b0ee80e41809695903496705e18679a5906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c56ae7e5535cc5eaf82026ba9875cf9131e4bef9d09a75152021f20bfd521c00",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-01-20T19:10:36Z",
    "title_canon_sha256": "79b3dd4dda3dbdbd6986eddf58f9ab3403542f54f006e0f71b558ff395b7fc27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3121",
    "kind": "arxiv",
    "version": 1
  }
}