Pith Number

pith:CQ3PPYGA

pith:2014:CQ3PPYGAHC7F4GCXAHVM74S62G

not attested not anchored not stored refs pending

The refractive index and electronic gap of water and ice increase with increasing pressure

Ding Pan, Giulia Galli, Quan Wan

arxiv:1408.1126 v1 · 2014-08-05 · cond-mat.mtrl-sci · 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{CQ3PPYGAHC7F4GCXAHVM74S62G}

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	2026-05-18T02:45:48.170220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1436f7e0c038be5e185701eacff25ed1b7e689e0c6858dc0377688f194539761

Aliases

arxiv: 1408.1126 · arxiv_version: 1408.1126v1 · doi: 10.48550/arxiv.1408.1126 · pith_short_12: CQ3PPYGAHC7F · pith_short_16: CQ3PPYGAHC7F4GCX · pith_short_8: CQ3PPYGA

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/CQ3PPYGAHC7F4GCXAHVM74S62G \
  | 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: 1436f7e0c038be5e185701eacff25ed1b7e689e0c6858dc0377688f194539761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a151efcaf522fda3f608a20a50010b03ef376bb9e0c091e71adbdfe22798f1d",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2014-08-05T21:56:53Z",
    "title_canon_sha256": "8206d06af4316034137ee3a07bebf287dbf4b49690232df9f26dcb3f1b350be6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1126",
    "kind": "arxiv",
    "version": 1
  }
}