Pith Number

pith:EA6ZZUP7

pith:2012:EA6ZZUP74KGIH2KA6TEXQWK4IB

not attested not anchored not stored refs pending

Infrared phonon activity in pristine graphite

A. B. Kuzmenko, E. Cappelluti, E. van Heumen, M. Manzardo

arxiv:1205.4907 v1 · 2012-05-22 · cond-mat.mtrl-sci

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	2026-05-18T03:23:10.810648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

203d9cd1ffe28c83e940f4c978595c4077892e2e2227a44b927f53446f97fff2

Aliases

arxiv: 1205.4907 · arxiv_version: 1205.4907v1 · doi: 10.48550/arxiv.1205.4907 · pith_short_12: EA6ZZUP74KGI · pith_short_16: EA6ZZUP74KGIH2KA · pith_short_8: EA6ZZUP7

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/EA6ZZUP74KGIH2KA6TEXQWK4IB \
  | 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: 203d9cd1ffe28c83e940f4c978595c4077892e2e2227a44b927f53446f97fff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16aaa6b2721d7816908142fc92246eab5bb221247120cf76b0ca750e3f021faf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-05-22T13:09:25Z",
    "title_canon_sha256": "1574f99e1d88afe2734a64ae5f1e6ffb59ba15caaf4a87ec6c7de08aaf3021a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4907",
    "kind": "arxiv",
    "version": 1
  }
}