Pith Number

pith:SKTYL7JQ

pith:2009:SKTYL7JQKEBON5GH36R62FYHQ6

not attested not anchored not stored refs pending

A stable range description of the space of link maps

Brian A. Munson, Thomas G. Goodwillie

arxiv:0910.3561 v1 · 2009-10-19 · 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{SKTYL7JQKEBON5GH36R62FYHQ6}

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	2026-05-18T02:41:51.102899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92a785fd305102e6f4c7dfa3ed170787ad839d080528bf96ec79665114cdff07

Aliases

arxiv: 0910.3561 · arxiv_version: 0910.3561v1 · doi: 10.48550/arxiv.0910.3561 · pith_short_12: SKTYL7JQKEBO · pith_short_16: SKTYL7JQKEBON5GH · pith_short_8: SKTYL7JQ

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/SKTYL7JQKEBON5GH36R62FYHQ6 \
  | 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: 92a785fd305102e6f4c7dfa3ed170787ad839d080528bf96ec79665114cdff07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eb49af575d769a83557cb60c20b6d5de21330e7c81e1ce8f624117aed03e032",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2009-10-19T13:53:43Z",
    "title_canon_sha256": "9ff02d7c5cabbb393840564ca9dd9717b5ea0e4883ce9a210e152abdb13f268e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3561",
    "kind": "arxiv",
    "version": 1
  }
}