Pith Number

pith:O5GTDRP2

pith:2011:O5GTDRP2QK3COEHG76QT6ZTTXB

not attested not anchored not stored refs pending

Isometric embeddings of pretangent spaces in E^n

O. Dovgoshey, V. Bilet

arxiv:1108.0276 v1 · 2011-08-01 · math.MG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5GTDRP2QK3COEHG76QT6ZTTXB}

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	2026-05-18T04:16:31.350381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

774d31c5fa82b62710e6ffa13f6673b866aa1de58487eb0f1fea2f80b1bdfab6

Aliases

arxiv: 1108.0276 · arxiv_version: 1108.0276v1 · doi: 10.48550/arxiv.1108.0276 · pith_short_12: O5GTDRP2QK3C · pith_short_16: O5GTDRP2QK3COEHG · pith_short_8: O5GTDRP2

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/O5GTDRP2QK3COEHG76QT6ZTTXB \
  | 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: 774d31c5fa82b62710e6ffa13f6673b866aa1de58487eb0f1fea2f80b1bdfab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad1af47ed03530c9ebe5744f15b66b54ae6d5f817aa03b5e28e0c7a0b9520c9",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2011-08-01T10:38:03Z",
    "title_canon_sha256": "7683e1d9022f8fed45da376910a67bdb8c1b97c6b0d88c735160e788a811753c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0276",
    "kind": "arxiv",
    "version": 1
  }
}