Pith Number

pith:W7ALGQH2

pith:2017:W7ALGQH2C23YMGN7QVX7Z5HT2P

not attested not anchored not stored refs pending

Resolving the era of river-forming climates on Mars using stratigraphic logs of river-deposit dimensions

Alan D. Howard, Antoine Lucas, Edwin S. Kite, Kevin W. Lewis

arxiv:1705.10852 v1 · 2017-05-30 · 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{W7ALGQH2C23YMGN7QVX7Z5HT2P}

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	2026-05-18T00:42:57.069116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c0b340fa16b78619bf856ffcf4f3d3c9a79701f31df44342402e14c5c7c1ec

Aliases

arxiv: 1705.10852 · arxiv_version: 1705.10852v1 · doi: 10.48550/arxiv.1705.10852 · pith_short_12: W7ALGQH2C23Y · pith_short_16: W7ALGQH2C23YMGN7 · pith_short_8: W7ALGQH2

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/W7ALGQH2C23YMGN7QVX7Z5HT2P \
  | 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: b7c0b340fa16b78619bf856ffcf4f3d3c9a79701f31df44342402e14c5c7c1ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c6542e9c0cda5fe0fc70390dc0fa32b65df427477bde69a411d00d59aef0e2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-05-30T20:15:04Z",
    "title_canon_sha256": "9d9b2e904b75a6f0508f7b4315e81c13b148aadf13898d978f2c235e3e024a36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10852",
    "kind": "arxiv",
    "version": 1
  }
}