Pith Number

pith:J7UFEU2D

pith:2012:J7UFEU2DGIRWTN6T2JRTD3UUAS

not attested not anchored not stored refs pending

Estimation of Young's Modulus of Graphene by Raman Spectroscopy

Duhee Yoon, Hyeonsik Cheong, Jae-Ung Lee

arxiv:1208.2309 v1 · 2012-08-11 · cond-mat.mes-hall

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	2026-05-18T03:48:58.234070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fe8525343322369b7d3d26331ee9404bfbf7a5c2b3a0643c50b09bd4ad2a668

Aliases

arxiv: 1208.2309 · arxiv_version: 1208.2309v1 · doi: 10.48550/arxiv.1208.2309 · pith_short_12: J7UFEU2DGIRW · pith_short_16: J7UFEU2DGIRWTN6T · pith_short_8: J7UFEU2D

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/J7UFEU2DGIRWTN6T2JRTD3UUAS \
  | 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: 4fe8525343322369b7d3d26331ee9404bfbf7a5c2b3a0643c50b09bd4ad2a668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "130027075b037e0de8f23d75a2cac80092baf7eda66b0ab8b5bfa84ab30cd36e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-08-11T05:40:17Z",
    "title_canon_sha256": "ee3d3a1d67ec151020822ed871600e40bffbceb736d06244b52ece054a186c8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2309",
    "kind": "arxiv",
    "version": 1
  }
}