Pith Number

pith:Z4MX6AD3

pith:2013:Z4MX6AD3Z6MPCSWFXAVV77R4LX

not attested not anchored not stored refs pending

Comments on: Antarctic Automatic Weather Station Program: 30 Years of Polar Observations

Krzysztof Sienicki

arxiv:1305.5508 v1 · 2013-05-08 · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4MX6AD3Z6MPCSWFXAVV77R4LX}

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	2026-05-18T03:25:04.607655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf197f007bcf98f14ac5b82b5ffe3c5de70e3c2a19db125ea64bb8ad98e39caf

Aliases

arxiv: 1305.5508 · arxiv_version: 1305.5508v1 · doi: 10.48550/arxiv.1305.5508 · pith_short_12: Z4MX6AD3Z6MP · pith_short_16: Z4MX6AD3Z6MPCSWF · pith_short_8: Z4MX6AD3

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/Z4MX6AD3Z6MPCSWFXAVV77R4LX \
  | 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: cf197f007bcf98f14ac5b82b5ffe3c5de70e3c2a19db125ea64bb8ad98e39caf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05b79a83e67bf8d2336e08f30216167ac7a67b0ff70b1b5630d3aa7ffc454577",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2013-05-08T08:58:04Z",
    "title_canon_sha256": "182ac05402478113f570864f275cf884a706fc9624fe81bbcb579374a9de4f0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5508",
    "kind": "arxiv",
    "version": 1
  }
}