Pith Number

pith:42EKSEXU

pith:2014:42EKSEXU4TI3SUCTP7HRZWDFEM

not attested not anchored not stored refs pending

Interannual observations and quantification of summertime H2O ice deposition on the Martian CO2 ice south polar cap

Adrian J. Brown, Sylvain Piqueux, Timothy N. Titus

arxiv:1407.0111 v1 · 2014-07-01 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42EKSEXU4TI3SUCTP7HRZWDFEM}

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	2026-05-18T01:42:43.190133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e688a912f4e4d1b950537fcf1cd8652310b351f6f10934b5149850ede672ef5e

Aliases

arxiv: 1407.0111 · arxiv_version: 1407.0111v1 · doi: 10.48550/arxiv.1407.0111 · pith_short_12: 42EKSEXU4TI3 · pith_short_16: 42EKSEXU4TI3SUCT · pith_short_8: 42EKSEXU

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/42EKSEXU4TI3SUCTP7HRZWDFEM \
  | 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: e688a912f4e4d1b950537fcf1cd8652310b351f6f10934b5149850ede672ef5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "731e8dee54371fc8fe0df252b4d19eb2c5fded683c45593060b0d36a7ff21cce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-07-01T06:21:52Z",
    "title_canon_sha256": "efa95cd851918bcedc932f1a20f84e567afbc599f4707176feeec962f222da07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0111",
    "kind": "arxiv",
    "version": 1
  }
}