Pith Number

pith:SYP7YVRB

pith:2014:SYP7YVRB27FNRM6Y6WM23UMPBE

not attested not anchored not stored refs pending

Werner's Measure on Self-Avoiding Loops and Welding

Angel Chavez, Doug Pickrell

arxiv:1401.2675 v3 · 2014-01-12 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SYP7YVRB27FNRM6Y6WM23UMPBE}

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	2026-05-18T02:45:58.074493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

961ffc5621d7cad8b3d8f599add18f093ccbe9d5c99fe728a66cae3ed4d93241

Aliases

arxiv: 1401.2675 · arxiv_version: 1401.2675v3 · doi: 10.48550/arxiv.1401.2675 · pith_short_12: SYP7YVRB27FN · pith_short_16: SYP7YVRB27FNRM6Y · pith_short_8: SYP7YVRB

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/SYP7YVRB27FNRM6Y6WM23UMPBE \
  | 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: 961ffc5621d7cad8b3d8f599add18f093ccbe9d5c99fe728a66cae3ed4d93241

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41be457ef161d97906ff4e9e7ad46843d40f47738dfed630e9f167274ed16c82",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-01-12T21:26:30Z",
    "title_canon_sha256": "3b9f7acee7acf368a7d446a33209dabfba7576827747bbef93804047ba8a4795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2675",
    "kind": "arxiv",
    "version": 3
  }
}