Pith Number

pith:XKI2SH73

pith:2021:XKI2SH73EWYJJTO6MROS2CTBIV

not attested not anchored not stored refs pending

Silicon substituted hydroxyapatite/VEGF scaffolds stimulate bone regeneration in osteoporotic sheep

B. Fernandez-Tome, D. Arcos, D. de Pablo, F.M. Sanchez-Margallo, I. Diaz-Guemes, L. Casarrubios, L. Ortega, M.C. Serrano, M.J. Feito, M. Saiz-Pardo, M.T. Portoles, M. Vallet-Regi, N. Gomez-Cerezo, S. Enciso, S. Sanchez-Salcedo

arxiv:2103.13120 v1 · 2021-03-24 · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XKI2SH73EWYJJTO6MROS2CTBIV}

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	2026-07-05T02:26:05.919243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba91a91ffb25b094cdde645d2d0a61454fdaa5d7c2cdcf1ec6979a8481e22e7b

Aliases

arxiv: 2103.13120 · arxiv_version: 2103.13120v1 · doi: 10.48550/arxiv.2103.13120 · pith_short_12: XKI2SH73EWYJ · pith_short_16: XKI2SH73EWYJJTO6 · pith_short_8: XKI2SH73

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/XKI2SH73EWYJJTO6MROS2CTBIV \
  | 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: ba91a91ffb25b094cdde645d2d0a61454fdaa5d7c2cdcf1ec6979a8481e22e7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e1e6564bbb5d8ef81020f8ba7be9bf0e221ef2af8837a3e485c9aea7692ba34",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2021-03-24T11:51:09Z",
    "title_canon_sha256": "e38c2d3a10d440a630f3cd19d99cfaa95370ae7ca9bcb6bb8aef7c5d20af1ab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13120",
    "kind": "arxiv",
    "version": 1
  }
}