pith. sign in
Pith Number

pith:GQNJUTVJ

pith:2017:GQNJUTVJYT34E4BO3LW6R4KV2K
not attested not anchored not stored refs pending

Group actions on 1-manifolds: a list of very concrete open questions

Andr\'es Navas

arxiv:1712.06462 v2 · 2017-12-18 · math.DS · math.GR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GQNJUTVJYT34E4BO3LW6R4KV2K}

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 2026-05-18T00:17:59.756227Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

341a9a4ea9c4f7c2702edaede8f155d2884dc7aca658a85da4157a3f34b2aef4

Aliases

arxiv: 1712.06462 · arxiv_version: 1712.06462v2 · doi: 10.48550/arxiv.1712.06462 · pith_short_12: GQNJUTVJYT34 · pith_short_16: GQNJUTVJYT34E4BO · pith_short_8: GQNJUTVJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GQNJUTVJYT34E4BO3LW6R4KV2K \
  | 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: 341a9a4ea9c4f7c2702edaede8f155d2884dc7aca658a85da4157a3f34b2aef4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "db9c70c12653bdd95c6a935fbf964c1143afbf80daa6a8b19cc97ac0df181a99",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-12-18T15:17:21Z",
    "title_canon_sha256": "e192327fce654e272002c2651e771493c2c34a4f3be7706af25259ca4778786d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06462",
    "kind": "arxiv",
    "version": 2
  }
}