Pith Number

pith:CKSQP43C

pith:2015:CKSQP43CI2T2Z2HTBBKC2MTKCL

not attested not anchored not stored refs pending

Estimating snow cover from publicly available images

Alessandro Camerada, Marco Tagliasacchi, Piero Fraternali, Roman Fedorov

arxiv:1508.01055 v1 · 2015-08-05 · cs.MM · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKSQP43CI2T2Z2HTBBKC2MTKCL}

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	2026-05-18T00:58:35.194397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a507f36246a7ace8f308542d326a12d10e24a4505304e782b200065ee36d40

Aliases

arxiv: 1508.01055 · arxiv_version: 1508.01055v1 · doi: 10.48550/arxiv.1508.01055 · pith_short_12: CKSQP43CI2T2 · pith_short_16: CKSQP43CI2T2Z2HT · pith_short_8: CKSQP43C

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/CKSQP43CI2T2Z2HTBBKC2MTKCL \
  | 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: 12a507f36246a7ace8f308542d326a12d10e24a4505304e782b200065ee36d40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f13ecaf8450b26abe8f5908b68ec1ec15d4c69c212715f2d585be0153796fe2",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2015-08-05T12:46:26Z",
    "title_canon_sha256": "33e5d28e8d9deb5723a88bedf9822a05a2dea8d57357ced6af09d64210e16974"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01055",
    "kind": "arxiv",
    "version": 1
  }
}