Pith Number

pith:5V7C3VQ3

pith:2019:5V7C3VQ3MBVTY4WPGVEHHMFDXK

not attested not anchored not stored refs pending

State-dependent fragmentation of protonated uracil and uridine

Alexandre Giuliani, Andr\'e Knie, Arno Ehresmann, Catmarna K\"ustner-Wetekam, Christian Ozga, Laurent Nahon, Martin Pitzer, Philipp Rei\ss, Till Jahnke

arxiv:1902.02042 v1 · 2019-02-06 · physics.chem-ph

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

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	2026-05-17T23:43:03.521390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed7e2dd61b606b3c72cf354873b0a3ba81051c8d57b56eee5d2828df663f6c87

Aliases

arxiv: 1902.02042 · arxiv_version: 1902.02042v1 · doi: 10.48550/arxiv.1902.02042 · pith_short_12: 5V7C3VQ3MBVT · pith_short_16: 5V7C3VQ3MBVTY4WP · pith_short_8: 5V7C3VQ3

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/5V7C3VQ3MBVTY4WPGVEHHMFDXK \
  | 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: ed7e2dd61b606b3c72cf354873b0a3ba81051c8d57b56eee5d2828df663f6c87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be0fe470dc4d6678fd62bb3b3d27d660892cee1e25588e9c4c3aceb78f54472e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-02-06T06:31:24Z",
    "title_canon_sha256": "4cb96c0967c03b1b05e64bf040e707e9562d7a2bd34c9ce456cefc1d47841448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02042",
    "kind": "arxiv",
    "version": 1
  }
}