Pith Number

pith:3YJAVGPE

pith:2020:3YJAVGPEU2RT4MVAFLT56B6PKP

not attested not anchored not stored refs pending

A hybrid model for estimation of pore size from ortho-positronium lifetimes in porous materials

D. Van Hoang, H. A. Tuan Kiet, L. Anh Tuyen, L. Chi Cuong, L. Ly Nguyen, L. Thai Son, N. Hoang Long, N. Quang Hung, N. T. Ngoc Hue, P. Thi Hue, P. Trong Phuc, T. Dong Xuan, T. Duy Tap, Van-Phuc Dinh

arxiv:2003.04564 v1 · 2020-03-10 · cond-mat.mtrl-sci · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3YJAVGPEU2RT4MVAFLT56B6PKP}

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	2026-07-05T00:56:47.460051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de120a99e4a6a33e32a02ae7df07cf53c92b00e3fc616487c376e17da9c0f3c9

Aliases

arxiv: 2003.04564 · arxiv_version: 2003.04564v1 · doi: 10.48550/arxiv.2003.04564 · pith_short_12: 3YJAVGPEU2RT · pith_short_16: 3YJAVGPEU2RT4MVA · pith_short_8: 3YJAVGPE

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/3YJAVGPEU2RT4MVAFLT56B6PKP \
  | 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: de120a99e4a6a33e32a02ae7df07cf53c92b00e3fc616487c376e17da9c0f3c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e0ee2a2a170214b865753d4e149fc667d4eda56e1664e39b937ef0c82c58613",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2020-03-10T07:50:29Z",
    "title_canon_sha256": "7c51a0eab44823fd8782deb00245ad548ffc8ba577abfd87f3873250c5064802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04564",
    "kind": "arxiv",
    "version": 1
  }
}