pith. sign in
Pith Number

pith:HFWERUN5

pith:2011:HFWERUN5ET5NG47PUT2DP3XFQY
not attested not anchored not stored refs pending

The Doors

Alexander Gnedin

arxiv:1105.5809 v2 · 2011-05-29 · math.HO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HFWERUN5ET5NG47PUT2DP3XFQY}

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 2026-05-18T04:19:04.104553Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

396c48d1bd24fad373efa4f437eee5861a7d192c266d2029775dba1a032c021c

Aliases

arxiv: 1105.5809 · arxiv_version: 1105.5809v2 · doi: 10.48550/arxiv.1105.5809 · pith_short_12: HFWERUN5ET5N · pith_short_16: HFWERUN5ET5NG47P · pith_short_8: HFWERUN5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HFWERUN5ET5NG47PUT2DP3XFQY \
  | 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: 396c48d1bd24fad373efa4f437eee5861a7d192c266d2029775dba1a032c021c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "59449430f43e4bf7ed8d6c3eccb26406fafc6da73bc4ce7de6404c20bec5a913",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2011-05-29T18:05:54Z",
    "title_canon_sha256": "d38022bb63cf44dc89361732d0a45b2fe9c3c3f50f3f51d900c873d74f282307"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5809",
    "kind": "arxiv",
    "version": 2
  }
}