Pith Number

pith:5AO4X2U4

pith:2012:5AO4X2U4KLIHK33TJIVRZ4L7VC

not attested not anchored not stored refs pending

Selective Molecular Sieving through Porous Graphene

John Pellegrino, J. Scott Bunch, Luda Wang, Steven P. Koenig

arxiv:1208.4135 v1 · 2012-08-20 · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5AO4X2U4KLIHK33TJIVRZ4L7VC}

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	2026-05-18T01:55:08.984578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e81dcbea9c52d0756f734a2b1cf17fa8bedf154f4b637ff226d55f017f1790f0

Aliases

arxiv: 1208.4135 · arxiv_version: 1208.4135v1 · doi: 10.48550/arxiv.1208.4135 · pith_short_12: 5AO4X2U4KLIH · pith_short_16: 5AO4X2U4KLIHK33T · pith_short_8: 5AO4X2U4

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/5AO4X2U4KLIHK33TJIVRZ4L7VC \
  | 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: e81dcbea9c52d0756f734a2b1cf17fa8bedf154f4b637ff226d55f017f1790f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27af04e676a90d1593bebd633b036a37b18b1fd5efb04ad53bc79974ed35889a",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-08-20T22:43:28Z",
    "title_canon_sha256": "c2546b278c5aeda5496574f73deea21d0a57268ab29f33081996a8b319e33949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4135",
    "kind": "arxiv",
    "version": 1
  }
}