Pith Number

pith:UQHZDWTQ

pith:2019:UQHZDWTQ2IDBE5RPUZ2HKQO2UO

not attested not anchored not stored refs pending

An Informatics Software Stack for Point Defect-Derived Opto-Electronic Properties: The Asphalt Project

Douglas L. Irving, Jonathon N. Baker, Joshua S. Harris, Preston C. Bowes

arxiv:1906.02776 v1 · 2019-06-06 · 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{UQHZDWTQ2IDBE5RPUZ2HKQO2UO}

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	2026-05-17T23:43:57.549736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a40f91da70d20612762fa6747541daa3a5f112cb84897dc4af64f94b2aabe3c5

Aliases

arxiv: 1906.02776 · arxiv_version: 1906.02776v1 · doi: 10.48550/arxiv.1906.02776 · pith_short_12: UQHZDWTQ2IDB · pith_short_16: UQHZDWTQ2IDBE5RP · pith_short_8: UQHZDWTQ

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/UQHZDWTQ2IDBE5RPUZ2HKQO2UO \
  | 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: a40f91da70d20612762fa6747541daa3a5f112cb84897dc4af64f94b2aabe3c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "516586ba32b16b15e426d69616049cb9371fefc51379145da9273de29385644a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-06-06T19:01:14Z",
    "title_canon_sha256": "8e252a2da0dc9c41ecf80901a3ff8a11620d1205552ec9b1f021fdd86d4b77d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02776",
    "kind": "arxiv",
    "version": 1
  }
}