Pith Number

pith:ZE2L5Q4P

pith:2017:ZE2L5Q4PPTNUMBZW44MRTEDJVB

not attested not anchored not stored refs pending

The infinitesimally bendable Euclidean hypersurfaces

M. Dajczer, Th. Vlachos

arxiv:1701.06216 v3 · 2017-01-22 · 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{ZE2L5Q4PPTNUMBZW44MRTEDJVB}

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	2026-05-18T00:43:35.296216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c934bec38f7cdb460736e719199069a879c3b98d016f2da912f5251800ba1ce8

Aliases

arxiv: 1701.06216 · arxiv_version: 1701.06216v3 · doi: 10.48550/arxiv.1701.06216 · pith_short_12: ZE2L5Q4PPTNU · pith_short_16: ZE2L5Q4PPTNUMBZW · pith_short_8: ZE2L5Q4P

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/ZE2L5Q4PPTNUMBZW44MRTEDJVB \
  | 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: c934bec38f7cdb460736e719199069a879c3b98d016f2da912f5251800ba1ce8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cba34c3ecaf872fe14b9de5c509f02b500d2dff019a79dafd849dc170d8c949",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-01-22T20:01:02Z",
    "title_canon_sha256": "3896c0c60933b7c1857ff0ac6efb0e54d1cf5a934c4c7db27f87fb6f01506d80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06216",
    "kind": "arxiv",
    "version": 3
  }
}