Pith Number

pith:4LKTCMPD

pith:2015:4LKTCMPDJ5VPJJNQEYMWC3QMKZ

not attested not anchored not stored refs pending

Spectroscopic studies of the mechanism of reversible photodegradation of 1-substituted aminoanthraquinone-doped polymers

Ankita Bhuyan, Guy Koeckelberghs, Joost Steverlynck, Koen Clays, Kyle Schademan, Mark G. Kuzyk, Matthew D. McCluskey, Sheng-Ting Hung

arxiv:1511.02947 v1 · 2015-11-10 · physics.chem-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LKTCMPDJ5VPJJNQEYMWC3QMKZ}

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	2026-05-18T01:17:30.455963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2d53131e34f6af4a5b02619616e0c566e232db87c830d94e9a016e2110d4759

Aliases

arxiv: 1511.02947 · arxiv_version: 1511.02947v1 · doi: 10.48550/arxiv.1511.02947 · pith_short_12: 4LKTCMPDJ5VP · pith_short_16: 4LKTCMPDJ5VPJJNQ · pith_short_8: 4LKTCMPD

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/4LKTCMPDJ5VPJJNQEYMWC3QMKZ \
  | 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: e2d53131e34f6af4a5b02619616e0c566e232db87c830d94e9a016e2110d4759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f14e2eb6170b7314b3c4119940e35a97d45d8a95c9ad4e4465b6e514a85c2d1e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2015-11-10T00:46:28Z",
    "title_canon_sha256": "57f2614e61cb6d8f8f13d24b03b48f49979862ab06ea9effdc525f577dce7800"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02947",
    "kind": "arxiv",
    "version": 1
  }
}