Pith Number

pith:A56HLZ2Y

pith:2015:A56HLZ2Y5T2BPKC2JZUGAXECVI

not attested not anchored not stored refs pending

SnowWatch: Snow Monitoring through Acquisition and Analysis of User-Generated Content

Chiara Pasini, Marco Tagliasacchi, Piero Fraternali, Roman Fedorov

arxiv:1507.08958 v1 · 2015-07-31 · cs.CV · 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{A56HLZ2Y5T2BPKC2JZUGAXECVI}

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	2026-05-18T01:35:34.528922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

077c75e758ecf417a85a4e68605c82aa1b1bea80a8e5149d002a255109b25d8c

Aliases

arxiv: 1507.08958 · arxiv_version: 1507.08958v1 · doi: 10.48550/arxiv.1507.08958 · pith_short_12: A56HLZ2Y5T2B · pith_short_16: A56HLZ2Y5T2BPKC2 · pith_short_8: A56HLZ2Y

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/A56HLZ2Y5T2BPKC2JZUGAXECVI \
  | 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: 077c75e758ecf417a85a4e68605c82aa1b1bea80a8e5149d002a255109b25d8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba271e602c3a69150e5ee76f5fcbceeb75b36568a81aab2c11dd93576d5af0a3",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-07-31T17:41:55Z",
    "title_canon_sha256": "fce30a9d90c882bf1d34254d1213486ec8ca904fa812e1fcb3221a30d70ab442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08958",
    "kind": "arxiv",
    "version": 1
  }
}