Pith Number

pith:LE2KDM3G

pith:2017:LE2KDM3GGEJ55M6N5TIJPXSNIV

not attested not anchored not stored refs pending

Local isometric immersions of pseudo-spherical surfaces and k-th order evolution equations

Keti Tenenblat, Nabil Kahouadji, Niky Kamran

arxiv:1701.08004 v1 · 2017-01-27 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LE2KDM3GGEJ55M6N5TIJPXSNIV}

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	2026-05-18T00:51:59.158541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5934a1b3663113deb3cdecd097de4d4556f736bb137ba9721d699e9638e5f02d

Aliases

arxiv: 1701.08004 · arxiv_version: 1701.08004v1 · doi: 10.48550/arxiv.1701.08004 · pith_short_12: LE2KDM3GGEJ5 · pith_short_16: LE2KDM3GGEJ55M6N · pith_short_8: LE2KDM3G

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/LE2KDM3GGEJ55M6N5TIJPXSNIV \
  | 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: 5934a1b3663113deb3cdecd097de4d4556f736bb137ba9721d699e9638e5f02d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ae6604926e2ff45bff4d4dbae2344b796e36b660b1240e1f8863220774473f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-01-27T10:43:24Z",
    "title_canon_sha256": "13e7e73b2fea3d7583d1eaa917b5f2300bb8fb068850629724f7d5ffe91e04c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08004",
    "kind": "arxiv",
    "version": 1
  }
}