Pith Number

pith:HILLGBIP

pith:2019:HILLGBIPXJCM2LKPIIR5U2YTJH

not attested not anchored not stored refs pending

Implicit Manifold Reconstruction

Man-Kwun Chiu, Siu-Wing Cheng

arxiv:1904.03764 v1 · 2019-04-07 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HILLGBIPXJCM2LKPIIR5U2YTJH}

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	2026-05-17T23:49:08.195515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a16b3050fba44cd2d4f4223da6b1349fed1b4a361072b261dc542be36f0cbf2

Aliases

arxiv: 1904.03764 · arxiv_version: 1904.03764v1 · doi: 10.48550/arxiv.1904.03764 · pith_short_12: HILLGBIPXJCM · pith_short_16: HILLGBIPXJCM2LKP · pith_short_8: HILLGBIP

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/HILLGBIPXJCM2LKPIIR5U2YTJH \
  | 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: 3a16b3050fba44cd2d4f4223da6b1349fed1b4a361072b261dc542be36f0cbf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1bbb5cac0e139510897440d4f39e34ebb29311dc4f91cc62aca21833324df08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-04-07T22:45:15Z",
    "title_canon_sha256": "e1797a77dbc2fc20e85bbdaee9ae4d131ab99eccf16329cecd3027cf3bd8ac49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03764",
    "kind": "arxiv",
    "version": 1
  }
}