Pith Number

pith:32NF5PCI

pith:2017:32NF5PCIX63BFUBCWFGHNQPZYL

not attested not anchored not stored refs pending

Rigidity of isometric immersions into the light cone

Chengjie Yu, Jian-Liang Liu

arxiv:1703.04876 v4 · 2017-03-15 · 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{32NF5PCIX63BFUBCWFGHNQPZYL}

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	2026-05-18T00:08:11.428973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de9a5ebc48bfb612d022b14c76c1f9c2c38b9885a4580556d0e7b71844f04fff

Aliases

arxiv: 1703.04876 · arxiv_version: 1703.04876v4 · doi: 10.48550/arxiv.1703.04876 · pith_short_12: 32NF5PCIX63B · pith_short_16: 32NF5PCIX63BFUBC · pith_short_8: 32NF5PCI

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/32NF5PCIX63BFUBCWFGHNQPZYL \
  | 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: de9a5ebc48bfb612d022b14c76c1f9c2c38b9885a4580556d0e7b71844f04fff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2111ada350a142d0dab46ac1dbf67b61e174e1d19c33c2c8c16839570efa47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-03-15T01:48:22Z",
    "title_canon_sha256": "d54998d95e3f3d9b96336022c43f2c67edc6df8f2130fb164d47c16cd60a6019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04876",
    "kind": "arxiv",
    "version": 4
  }
}