Pith Number

pith:MYDOQHRX

pith:2019:MYDOQHRX7VGFQ4NPD4MGA4KUUY

not attested not anchored not stored refs pending

Admissibility and polynomial dichotomies for evolution families

Davor Dragicevic

arxiv:1907.02515 v1 · 2019-07-02 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYDOQHRX7VGFQ4NPD4MGA4KUUY}

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	2026-05-17T23:41:28.334624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6606e81e37fd4c5871af1f18607154a608b97dc7784083bc60c7c33e749eecb1

Aliases

arxiv: 1907.02515 · arxiv_version: 1907.02515v1 · doi: 10.48550/arxiv.1907.02515 · pith_short_12: MYDOQHRX7VGF · pith_short_16: MYDOQHRX7VGFQ4NP · pith_short_8: MYDOQHRX

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/MYDOQHRX7VGFQ4NPD4MGA4KUUY \
  | 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: 6606e81e37fd4c5871af1f18607154a608b97dc7784083bc60c7c33e749eecb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08426390683982d2fe1ebb736fc2dcb87ef63d1d45a796c15ecf2be94e7703be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-07-02T18:28:01Z",
    "title_canon_sha256": "a45e976920218d58839da9f5d3a5f9d0ed0b862b46b4ba3dd519b557084fc12a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02515",
    "kind": "arxiv",
    "version": 1
  }
}