Pith Number

pith:43DFWM5D

pith:2017:43DFWM5DXKV6AIZHDW6UUZIMYG

not attested not anchored not stored refs pending

Data recovery: from limited-aperture to full-aperture

Jiguang Sun, XiaoDong Liu

arxiv:1708.03029 v3 · 2017-08-09 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43DFWM5DXKV6AIZHDW6UUZIMYG}

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	2026-05-18T00:26:36.608146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6c65b33a3baabe023271dbd4a650cc1a78430accb08f11b5a0416d9090b3521

Aliases

arxiv: 1708.03029 · arxiv_version: 1708.03029v3 · doi: 10.48550/arxiv.1708.03029 · pith_short_12: 43DFWM5DXKV6 · pith_short_16: 43DFWM5DXKV6AIZH · pith_short_8: 43DFWM5D

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/43DFWM5DXKV6AIZHDW6UUZIMYG \
  | 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: e6c65b33a3baabe023271dbd4a650cc1a78430accb08f11b5a0416d9090b3521

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c0046a859e77de7ed2557c87787446ed4974f1ef7dc40ec713cb62ccbe6423",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-09T22:49:33Z",
    "title_canon_sha256": "0e997a486250e8f33095f055399be5283f1a25267d2df83fe5a6e8545ee87351"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03029",
    "kind": "arxiv",
    "version": 3
  }
}