Pith Number

pith:EEFTMH2D

pith:2010:EEFTMH2DXNHD44BA6IEKN4NUKE

not attested not anchored not stored refs pending

Normal and conormal maps in homotopy theory

Emmanuel D. Farjoun, Kathryn Hess

arxiv:1011.5597 v2 · 2010-11-25 · math.AT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EEFTMH2DXNHD44BA6IEKN4NUKE}

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	2026-05-18T04:05:27.729696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

210b361f43bb4e3e7020f208a6f1b4513966913eb08c2a445a62ac004cc69367

Aliases

arxiv: 1011.5597 · arxiv_version: 1011.5597v2 · doi: 10.48550/arxiv.1011.5597 · pith_short_12: EEFTMH2DXNHD · pith_short_16: EEFTMH2DXNHD44BA · pith_short_8: EEFTMH2D

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/EEFTMH2DXNHD44BA6IEKN4NUKE \
  | 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: 210b361f43bb4e3e7020f208a6f1b4513966913eb08c2a445a62ac004cc69367

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d41e275b25a1725ee30d6831e7a9474075d8bc849f09b8863fb0adeed4235316",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2010-11-25T11:19:24Z",
    "title_canon_sha256": "c05e5457bf32ce0a6b9e710a8e4e807c5cd0e4c1a5dfc8e90be52b1686d1e42a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5597",
    "kind": "arxiv",
    "version": 2
  }
}