Pith Number

pith:EMTCICGH

pith:2003:EMTCICGHNY7C3SN47II5YO2VFX

not attested not anchored not stored refs pending

On the homotopy invariance of configuration spaces

John R. Klein, Mokhtar Aouina

arxiv:math/0310483 v3 · 2003-10-31 · math.AT · 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{EMTCICGHNY7C3SN47II5YO2VFX}

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	2026-05-18T02:41:32.590381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23262408c76e3e2dc9bcfa11dc3b552dd862c4ef9edfb43488e2bb2f757e2095

Aliases

arxiv: math/0310483 · arxiv_version: math/0310483v3 · doi: 10.48550/arxiv.math/0310483 · pith_short_12: EMTCICGHNY7C · pith_short_16: EMTCICGHNY7C3SN4 · pith_short_8: EMTCICGH

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/EMTCICGHNY7C3SN47II5YO2VFX \
  | 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: 23262408c76e3e2dc9bcfa11dc3b552dd862c4ef9edfb43488e2bb2f757e2095

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f91d45a0f4123beb3f423a5e95305e3bd74d911706aa2dfa36428a24152ccf1b",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2003-10-31T03:42:56Z",
    "title_canon_sha256": "a06138e6d47341ec96d762c55780405ded9cb1c353bdc19781c833bf0dd10fa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0310483",
    "kind": "arxiv",
    "version": 3
  }
}