Pith Number

pith:REOPYDFE

pith:2015:REOPYDFE7UJ2IMUDKU5ASTECU4

not attested not anchored not stored refs pending

A representation for pseudoholomorphic surfaces in spheres

M. Dajczer, Th. Vlachos

arxiv:1508.00753 v2 · 2015-08-04 · 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{REOPYDFE7UJ2IMUDKU5ASTECU4}

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	2026-05-18T01:35:21.966358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

891cfc0ca4fd13a43283553a094c82a70315915b2cb62d365307920f9454bcb9

Aliases

arxiv: 1508.00753 · arxiv_version: 1508.00753v2 · doi: 10.48550/arxiv.1508.00753 · pith_short_12: REOPYDFE7UJ2 · pith_short_16: REOPYDFE7UJ2IMUD · pith_short_8: REOPYDFE

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/REOPYDFE7UJ2IMUDKU5ASTECU4 \
  | 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: 891cfc0ca4fd13a43283553a094c82a70315915b2cb62d365307920f9454bcb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "044a12ec3a903d74bd8c7b315b59bd86f9d5e753ebf93ccb8b503b67438780c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-08-04T12:33:28Z",
    "title_canon_sha256": "be1d4cd8125166cd8896c70f4f4ca3f9724c87d3d6b655c2f6171c06c1b6c2fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00753",
    "kind": "arxiv",
    "version": 2
  }
}