Pith Number

pith:WQ26HEG4

pith:2016:WQ26HEG4FA5JYLRVMO6JNZGE36

not attested not anchored not stored refs pending

Least action principles for incompressible flows and geodesics between shapes

Dejan Slep\v{c}ev, Jian-Guo Liu, Robert L. Pego

arxiv:1604.03387 v3 · 2016-04-12 · 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{WQ26HEG4FA5JYLRVMO6JNZGE36}

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	2026-05-18T00:13:55.441134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b435e390dc283a9c2e3563bc96e4c4dfbd912c432952303be34a2cda19299055

Aliases

arxiv: 1604.03387 · arxiv_version: 1604.03387v3 · doi: 10.48550/arxiv.1604.03387 · pith_short_12: WQ26HEG4FA5J · pith_short_16: WQ26HEG4FA5JYLRV · pith_short_8: WQ26HEG4

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/WQ26HEG4FA5JYLRVMO6JNZGE36 \
  | 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: b435e390dc283a9c2e3563bc96e4c4dfbd912c432952303be34a2cda19299055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "164f827ded561bab121bcf7fc5e06e715dbd884478f4575bb9d75ec7b04b4942",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-04-12T13:00:38Z",
    "title_canon_sha256": "f9749c58a868433d4fa9b450d1caaa90118fbfddb2410e101a4ee44e531647bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03387",
    "kind": "arxiv",
    "version": 3
  }
}