Pith Number

pith:FUQ7ZPBV

pith:2016:FUQ7ZPBVZ2NK3QEY7MNBVKSK3N

not attested not anchored not stored refs pending

The Emotional and Chromatic Layers of Urban Smells

Daniele Quercia, Luca Maria Aiello, Rossano Schifanella

arxiv:1605.06721 v1 · 2016-05-22 · cs.SI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUQ7ZPBVZ2NK3QEY7MNBVKSK3N}

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	2026-05-18T01:14:11.400348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d21fcbc35ce9aadc098fb1a1aaa4adb6354de3b00e0ddccea7c7d5d496eab7b

Aliases

arxiv: 1605.06721 · arxiv_version: 1605.06721v1 · doi: 10.48550/arxiv.1605.06721 · pith_short_12: FUQ7ZPBVZ2NK · pith_short_16: FUQ7ZPBVZ2NK3QEY · pith_short_8: FUQ7ZPBV

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/FUQ7ZPBVZ2NK3QEY7MNBVKSK3N \
  | 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: 2d21fcbc35ce9aadc098fb1a1aaa4adb6354de3b00e0ddccea7c7d5d496eab7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2df7d00709a058b61072eb97e0f4f054fba74093c7d1420c58713e2924fa20a",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2016-05-22T01:00:39Z",
    "title_canon_sha256": "0a483862617311824d901a87cf4417beb08855e0268cd8bb6d8df64de17b3805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06721",
    "kind": "arxiv",
    "version": 1
  }
}