Pith Number

pith:ISTISDFH

pith:2015:ISTISDFH6ZSDE5K5E5MOFI7ZLD

not attested not anchored not stored refs pending

An Abel-Jacobi invariant for cobordant cycles

Gereon Quick

arxiv:1503.08449 v2 · 2015-03-29 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ISTISDFH6ZSDE5K5E5MOFI7ZLD}

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	2026-05-18T00:55:39.544948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44a6890ca7f66432755d2758e2a3f958ff96449c91cf985953463bfbc7048d49

Aliases

arxiv: 1503.08449 · arxiv_version: 1503.08449v2 · doi: 10.48550/arxiv.1503.08449 · pith_short_12: ISTISDFH6ZSD · pith_short_16: ISTISDFH6ZSDE5K5 · pith_short_8: ISTISDFH

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/ISTISDFH6ZSDE5K5E5MOFI7ZLD \
  | 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: 44a6890ca7f66432755d2758e2a3f958ff96449c91cf985953463bfbc7048d49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f21a8eabfb012a531fa412ecffb33f2d67c988eb42e3fe684fe9967c5619e7e9",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-03-29T15:46:17Z",
    "title_canon_sha256": "ed1ba45aad91dbad02755b450ed0270d9c76a13ced6f6162ac484e83d00f772b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08449",
    "kind": "arxiv",
    "version": 2
  }
}