Pith Number

pith:PZ7RHVGU

pith:2019:PZ7RHVGUETLGCNT4TIUJKEIF7W

not attested not anchored not stored refs pending

Accelerated Discovery of Sustainable Building Materials

Jeremy R. Gregory, Joana Maria, Lav R. Varshney, Randolph E. Kirchain, Richard T. Goodwin, Xiou Ge

arxiv:1905.08222 v1 · 2019-05-20 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZ7RHVGUETLGCNT4TIUJKEIF7W}

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	2026-05-17T23:45:47.293896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e7f13d4d424d661367c9a28951105fd89099a08fb88cbe3903766509de85ab5

Aliases

arxiv: 1905.08222 · arxiv_version: 1905.08222v1 · doi: 10.48550/arxiv.1905.08222 · pith_short_12: PZ7RHVGUETLG · pith_short_16: PZ7RHVGUETLGCNT4 · pith_short_8: PZ7RHVGU

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/PZ7RHVGUETLGCNT4TIUJKEIF7W \
  | 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: 7e7f13d4d424d661367c9a28951105fd89099a08fb88cbe3903766509de85ab5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60e19cea1c717ee22c0999b06bba31b431556948704d8764db4d902dc338d67b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-05-20T17:21:39Z",
    "title_canon_sha256": "faa51dfc203f98d280624067922adbd9ff2f22eb581dd09452510dd8725ed35a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08222",
    "kind": "arxiv",
    "version": 1
  }
}