Pith Number

pith:MUTHY6XQ

pith:2021:MUTHY6XQ6TWCE3RHTSFMLICF64

not attested not anchored not stored refs pending

Advanced Raman spectroscopy detection of oxidative damage in nucleic acid bases: probing chemical changes and intermolecular interactions in guanosine at ultralow concentration

Chunchun Li, Claudia Fasolato, Enrico Bodo, Filomena Mazzei, Flavia Mazzarda, Francesca Ripanti, Margherita Bignami, Marina Ceccarini, Paolo Postorino, Simonetta Palleschi, Steven E.J. Bell

arxiv:2103.09524 v1 · 2021-03-17 · physics.chem-ph · physics.bio-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{MUTHY6XQ6TWCE3RHTSFMLICF64}

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	2026-07-05T03:10:39.020559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65267c7af0f4ec226e279c8ac5a045f72333ef12ca946ed6767707d61eda1f77

Aliases

arxiv: 2103.09524 · arxiv_version: 2103.09524v1 · doi: 10.48550/arxiv.2103.09524 · pith_short_12: MUTHY6XQ6TWC · pith_short_16: MUTHY6XQ6TWCE3RH · pith_short_8: MUTHY6XQ

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/MUTHY6XQ6TWCE3RHTSFMLICF64 \
  | 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: 65267c7af0f4ec226e279c8ac5a045f72333ef12ca946ed6767707d61eda1f77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "436f93c96e4a2c07567122ebaaff73545c1f50bc831f3da151a49db7ac87094c",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2021-03-17T09:13:05Z",
    "title_canon_sha256": "da7c09a1871cab13b5688fb9cfdfe2542c6038a366b9debb2c97e6e2b3620af6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09524",
    "kind": "arxiv",
    "version": 1
  }
}