Pith Number

pith:FR4G7YD6

pith:2015:FR4G7YD6DX73WX3UXPPXEOSC6O

not attested not anchored not stored refs pending

A note on stability shifting for the Muskat problem

Andrej Zlato\v{s}, Diego C\'ordoba, Javier G\'omez-Serrano

arxiv:1501.02694 v2 · 2015-01-12 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FR4G7YD6DX73WX3UXPPXEOSC6O}

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	2026-05-18T01:20:47.150770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c786fe07e1dffbb5f74bbdf723a42f3bf861599c63e16ccd623eeb38ae302f3

Aliases

arxiv: 1501.02694 · arxiv_version: 1501.02694v2 · doi: 10.48550/arxiv.1501.02694 · pith_short_12: FR4G7YD6DX73 · pith_short_16: FR4G7YD6DX73WX3U · pith_short_8: FR4G7YD6

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/FR4G7YD6DX73WX3UXPPXEOSC6O \
  | 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: 2c786fe07e1dffbb5f74bbdf723a42f3bf861599c63e16ccd623eeb38ae302f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2bd86281550a347accf1bda7ac73b246895e86868ff512d76d9b1275a62eceb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-01-12T16:23:08Z",
    "title_canon_sha256": "c263eeb4478e545a65e2dad4c82cd51470b1e03614593071057331a9633189c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02694",
    "kind": "arxiv",
    "version": 2
  }
}