Pith Number

pith:JDNWQGG6

pith:2012:JDNWQGG6TP6VPMU2IHUWPDMZDW

not attested not anchored not stored refs pending

Algebraic cobordism theory attached to algebraic equivalence

Amalendu Krishna, Jinhyun Park

arxiv:1203.5508 v2 · 2012-03-25 · math.AG · math.AT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDNWQGG6TP6VPMU2IHUWPDMZDW}

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	2026-05-18T03:46:05.281435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48db6818de9bfd57b29a41e9678d991d85f552b1e6c502dded09315487255cdb

Aliases

arxiv: 1203.5508 · arxiv_version: 1203.5508v2 · doi: 10.48550/arxiv.1203.5508 · pith_short_12: JDNWQGG6TP6V · pith_short_16: JDNWQGG6TP6VPMU2 · pith_short_8: JDNWQGG6

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/JDNWQGG6TP6VPMU2IHUWPDMZDW \
  | 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: 48db6818de9bfd57b29a41e9678d991d85f552b1e6c502dded09315487255cdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02bc111a253e122df0b8d0275f862db4e5e16a77f7613919adb2690d447b9da3",
    "cross_cats_sorted": [
      "math.AT",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-03-25T15:42:57Z",
    "title_canon_sha256": "40b09664e23035adc57baf826469dc5b818c76c6cb497028acc107dc9e0f2f33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5508",
    "kind": "arxiv",
    "version": 2
  }
}