Pith Number

pith:NBANCUDW

pith:2013:NBANCUDW4GIKPSLMKXMOCVAGDN

not attested not anchored not stored refs pending

Classical field theory via Cohesive homotopy types

Urs Schreiber

arxiv:1311.1172 v1 · 2013-11-05 · math-ph · hep-th · math.AT · math.LO · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBANCUDW4GIKPSLMKXMOCVAGDN}

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	2026-05-18T03:07:55.387876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6840d15076e190a7c96c55d8e154061b4ed51b4277f51e12fd04e107d1a1e70d

Aliases

arxiv: 1311.1172 · arxiv_version: 1311.1172v1 · doi: 10.48550/arxiv.1311.1172 · pith_short_12: NBANCUDW4GIK · pith_short_16: NBANCUDW4GIKPSLM · pith_short_8: NBANCUDW

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/NBANCUDW4GIKPSLMKXMOCVAGDN \
  | 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: 6840d15076e190a7c96c55d8e154061b4ed51b4277f51e12fd04e107d1a1e70d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d86516a2faab6ab0461b093546b39c10fc7e40cba8ec050bb21526c01665c372",
    "cross_cats_sorted": [
      "hep-th",
      "math.AT",
      "math.LO",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-11-05T19:32:53Z",
    "title_canon_sha256": "d3ade29ec7c8b577da4222278d939b1555c8e05ce6a3c4c1590ccec8586d2554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1172",
    "kind": "arxiv",
    "version": 1
  }
}