Pith Number

pith:D6VGRC2P

pith:2018:D6VGRC2PPSB4YODFW4ODKWAEZP

not attested not anchored not stored refs pending

Community-Empowered Air Quality Monitoring System

Beatrice Dias, Illah Nourbakhsh, Jennifer Cross, Paul Dille, Randy Sargent, Yen-Chia Hsu

arxiv:1804.03293 v1 · 2018-04-10 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6VGRC2PPSB4YODFW4ODKWAEZP}

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	2026-05-18T00:18:56.458061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1faa688b4f7c83cc3865b71c355804cbf84f2a0fe6a107290f9c49305dc1ee5f

Aliases

arxiv: 1804.03293 · arxiv_version: 1804.03293v1 · doi: 10.48550/arxiv.1804.03293 · pith_short_12: D6VGRC2PPSB4 · pith_short_16: D6VGRC2PPSB4YODF · pith_short_8: D6VGRC2P

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/D6VGRC2PPSB4YODFW4ODKWAEZP \
  | 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: 1faa688b4f7c83cc3865b71c355804cbf84f2a0fe6a107290f9c49305dc1ee5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d1a7594281777a5bdbc01a4cf30173e62efe8259ec47af2c33111a5c2603bf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-04-10T01:12:51Z",
    "title_canon_sha256": "cf93751fab9290669d6d3d940bde98c45e5c4a6b76e7ab1ca7da3acbc0d79ee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03293",
    "kind": "arxiv",
    "version": 1
  }
}