Pith Number

pith:ZAYX7JY6

pith:2014:ZAYX7JY6OIKBNYQDGOHRLWRHY4

not attested not anchored not stored refs pending

Morse cohomology in a Hilbert space via the Conley Index

Maciej Starostka

arxiv:1401.7811 v3 · 2014-01-30 · 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{ZAYX7JY6OIKBNYQDGOHRLWRHY4}

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	2026-05-18T02:45:58.034038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8317fa71e721416e203338f15da27c73eadd2b458fefad7a5ee2744f61c2c64

Aliases

arxiv: 1401.7811 · arxiv_version: 1401.7811v3 · doi: 10.48550/arxiv.1401.7811 · pith_short_12: ZAYX7JY6OIKB · pith_short_16: ZAYX7JY6OIKBNYQD · pith_short_8: ZAYX7JY6

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/ZAYX7JY6OIKBNYQDGOHRLWRHY4 \
  | 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: c8317fa71e721416e203338f15da27c73eadd2b458fefad7a5ee2744f61c2c64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4ae1de2135443e3811c8f33621ac3788de1ecf36486cafa97529aaa252ca8f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-01-30T11:54:15Z",
    "title_canon_sha256": "dd34b75f62e218956244e3230b86c68ff5c0a14a69205f05e7d6e1a43aae962a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7811",
    "kind": "arxiv",
    "version": 3
  }
}