Pith Number

pith:SV2VFAIE

pith:2017:SV2VFAIEM2DKWJEPQW2OMS3KL4

not attested not anchored not stored refs pending

Parametrized Morse Theory and Positive Scalar Curvature

Nathan Perlmutter

arxiv:1705.02754 v1 · 2017-05-08 · math.AT · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SV2VFAIEM2DKWJEPQW2OMS3KL4}

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	2026-05-18T00:44:53.737020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95755281046686ab248f85b4e64b6a5f16e47bea8011758ecfb865bfef173a63

Aliases

arxiv: 1705.02754 · arxiv_version: 1705.02754v1 · doi: 10.48550/arxiv.1705.02754 · pith_short_12: SV2VFAIEM2DK · pith_short_16: SV2VFAIEM2DKWJEP · pith_short_8: SV2VFAIE

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/SV2VFAIEM2DKWJEPQW2OMS3KL4 \
  | 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: 95755281046686ab248f85b4e64b6a5f16e47bea8011758ecfb865bfef173a63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccb426f0ee953622fe2510552bacb31160514f47b0c4e96fb515ba0b4ce321e3",
    "cross_cats_sorted": [
      "math.DG",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-05-08T06:01:46Z",
    "title_canon_sha256": "beeebf4f975c58b02687012e83cf9c44e68f3e832a00a3e0b65014cebc08ce2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02754",
    "kind": "arxiv",
    "version": 1
  }
}