Pith Number

pith:N4XMBAIY

pith:2013:N4XMBAIYDC3M7XL4BFTXTQKN6A

not attested not anchored not stored refs pending

Positronium in MOFs: the Atom out of the box

A. J. Matzger, B. Barbiellini, B. L. Brown, D. Cooke, D. W. Gidley, J. I. Feldblyum, L. Gerchow, P. Crivelli, P. Guo

arxiv:1309.6497 v2 · 2013-09-25 · physics.atom-ph · 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{N4XMBAIYDC3M7XL4BFTXTQKN6A}

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	2026-05-18T02:49:09.980133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f2ec0811818b6cfdd7c096779c14df00186da20c92829f9e92ee5b9e4c9d9d1

Aliases

arxiv: 1309.6497 · arxiv_version: 1309.6497v2 · doi: 10.48550/arxiv.1309.6497 · pith_short_12: N4XMBAIYDC3M · pith_short_16: N4XMBAIYDC3M7XL4 · pith_short_8: N4XMBAIY

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/N4XMBAIYDC3M7XL4BFTXTQKN6A \
  | 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: 6f2ec0811818b6cfdd7c096779c14df00186da20c92829f9e92ee5b9e4c9d9d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05a47d7ee484a80187e6f98953f108b16928c390bda00f9da4dff48bc3aaf507",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-09-25T13:31:42Z",
    "title_canon_sha256": "f97c6e981a22b33995a58b963b5f7ba66cb0d278fbea5929178b3212b2cf4556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6497",
    "kind": "arxiv",
    "version": 2
  }
}