pith. sign in
Pith Number

pith:HHNOYJNM

pith:2018:HHNOYJNM5RB6TY3SBCKYISBBYQ
not attested not anchored not stored refs pending

Discrete geometry and isotropic surfaces

Fran\c{c}ois Jauberteau, Samuel Tapie, Yann Rollin

arxiv:1802.08712 v3 · 2018-02-23 · math.DG · math.SG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HHNOYJNM5RB6TY3SBCKYISBBYQ}

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 2026-05-17T23:47:07.473249Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

39daec25acec43e9e3720895844821c42faa61af3f74b3b2c920c57449eabbc9

Aliases

arxiv: 1802.08712 · arxiv_version: 1802.08712v3 · doi: 10.48550/arxiv.1802.08712 · pith_short_12: HHNOYJNM5RB6 · pith_short_16: HHNOYJNM5RB6TY3S · pith_short_8: HHNOYJNM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HHNOYJNM5RB6TY3SBCKYISBBYQ \
  | 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: 39daec25acec43e9e3720895844821c42faa61af3f74b3b2c920c57449eabbc9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5287c96039660e1fb72098eee3e757369c91c9eaa23dc4768f471434f4c404ab",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-02-23T19:36:27Z",
    "title_canon_sha256": "d094c64e9d3934858f7259a64927fc0593a355c1ace0e132b33aa3eeb36e7735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08712",
    "kind": "arxiv",
    "version": 3
  }
}