Pith Number

pith:DYJONQKM

pith:2017:DYJONQKML6FMG7JG3YDKFZE7XB

not attested not anchored not stored refs pending

Pairs of Morse functions

Olivier Thom (IRMAR)

arxiv:1703.06427 v1 · 2017-03-06 · math.CA · math.CV · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DYJONQKML6FMG7JG3YDKFZE7XB}

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	2026-05-18T00:48:22.910426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e12e6c14c5f8ac37d26de06a2e49fb864fba763eed77f31c7347a8cb6ed437c

Aliases

arxiv: 1703.06427 · arxiv_version: 1703.06427v1 · doi: 10.48550/arxiv.1703.06427 · pith_short_12: DYJONQKML6FM · pith_short_16: DYJONQKML6FMG7JG · pith_short_8: DYJONQKM

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/DYJONQKML6FMG7JG3YDKFZE7XB \
  | 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: 1e12e6c14c5f8ac37d26de06a2e49fb864fba763eed77f31c7347a8cb6ed437c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f7c40d7342f444d6ff24404b3fd13005fa3c4721694ad2c2fa9da4bcf3e72f",
    "cross_cats_sorted": [
      "math.CV",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-03-06T08:38:13Z",
    "title_canon_sha256": "8bd5a76ed409f8bb63f144cee57ff6c85a7942aecd4223e650daa3fc005760ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06427",
    "kind": "arxiv",
    "version": 1
  }
}