Pith Number

pith:EP52SYCI

pith:2011:EP52SYCIJMYLHOEYD4KQCBHQOX

not attested not anchored not stored refs pending

Terahertz imaging and spectroscopy of large-area single-layer graphene

A. D. Jameson, A. M. van der Zande, E. D. Minot, J. L. Tomaino, J. W. Kevek, M. J. Paul, P. L. McEuen, R. A. Barton, Yun-Shik Lee

arxiv:1101.1338 v2 · 2011-01-07 · cond-mat.mtrl-sci · physics.optics

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	2026-05-18T04:31:30.801837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23fba960484b30b3b8981f150104f075dda21f360a88aa544e457cbe87d3c046

Aliases

arxiv: 1101.1338 · arxiv_version: 1101.1338v2 · doi: 10.48550/arxiv.1101.1338 · pith_short_12: EP52SYCIJMYL · pith_short_16: EP52SYCIJMYLHOEY · pith_short_8: EP52SYCI

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/EP52SYCIJMYLHOEYD4KQCBHQOX \
  | 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: 23fba960484b30b3b8981f150104f075dda21f360a88aa544e457cbe87d3c046

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8886f09d892ba1a54d94e64ee15a2e3732f5fd75348a95cb858bca38f2d9e40",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-01-07T01:19:51Z",
    "title_canon_sha256": "49dd99fc01987c200b97cb4d3372b18631c7080bad04f8effcb6955957727d5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1338",
    "kind": "arxiv",
    "version": 2
  }
}