Pith Number

pith:M4NJJ54R

pith:2015:M4NJJ54RLMSWDEEU6D7UP25LNK

not attested not anchored not stored refs pending

3D visual analysis of seabed on smartphone

Shengzhong Feng, Tianyun Su, Xiaoming Li, Zhihan Lv

arxiv:1504.01049 v1 · 2015-04-04 · cs.HC · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4NJJ54RLMSWDEEU6D7UP25LNK}

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	2026-05-18T02:19:35.294779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

671a94f7915b25619094f0ff47ebab6aba3c2440392858d4a72dd496cca49ea0

Aliases

arxiv: 1504.01049 · arxiv_version: 1504.01049v1 · doi: 10.48550/arxiv.1504.01049 · pith_short_12: M4NJJ54RLMSW · pith_short_16: M4NJJ54RLMSWDEEU · pith_short_8: M4NJJ54R

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/M4NJJ54RLMSWDEEU6D7UP25LNK \
  | 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: 671a94f7915b25619094f0ff47ebab6aba3c2440392858d4a72dd496cca49ea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f887b5ce442a31a64c9c9967b567a92653d59e5e5d9e2a4075c88fc7b57d430",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2015-04-04T20:34:11Z",
    "title_canon_sha256": "7ca503eda1861264d9672bff09612b8c9bd370d771eca3686bbe9a6ed28f2c0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01049",
    "kind": "arxiv",
    "version": 1
  }
}