Pith Number

pith:SL77OBFR

pith:2014:SL77OBFRMA6OM5JRBYKORDSEEB

not attested not anchored not stored refs pending

Incompressible surfaces in rank one locally symmetric spaces

Ursula Hamenstaedt

arxiv:1402.1704 v2 · 2014-02-07 · 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{SL77OBFRMA6OM5JRBYKORDSEEB}

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	2026-05-18T02:31:47.828715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92fff704b1603ce675310e14e88e44205a448997da0f0361fe3b17dfbe9094a8

Aliases

arxiv: 1402.1704 · arxiv_version: 1402.1704v2 · doi: 10.48550/arxiv.1402.1704 · pith_short_12: SL77OBFRMA6O · pith_short_16: SL77OBFRMA6OM5JR · pith_short_8: SL77OBFR

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/SL77OBFRMA6OM5JRBYKORDSEEB \
  | 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: 92fff704b1603ce675310e14e88e44205a448997da0f0361fe3b17dfbe9094a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77b044737157e761471388b33f2b9aa4afe5aa2f4da694b7bff74572f2a136e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-02-07T17:27:04Z",
    "title_canon_sha256": "f065b06d1e70daaefae3a0f3d270541a9a8f8286ee32126194f790b818ba3879"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1704",
    "kind": "arxiv",
    "version": 2
  }
}