Pith Number

pith:N72LJCIQ

pith:2018:N72LJCIQAROGUZAHEG7XOBZD36

not attested not anchored not stored refs pending

Dating Ancient Paintings of Mogao Grottoes Using Deeply Learnt Visual Codes

De Ma, Qian Wang, Qingquan Li, Qin Zou, Song Wang

arxiv:1810.09168 v1 · 2018-10-22 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N72LJCIQAROGUZAHEG7XOBZD36}

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	2026-05-18T00:01:46.926760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ff4b48910045c6a640721bf770723dfadb5d0c1b03ccdd421ff8b6c4ae3d4e1

Aliases

arxiv: 1810.09168 · arxiv_version: 1810.09168v1 · doi: 10.48550/arxiv.1810.09168 · pith_short_12: N72LJCIQAROG · pith_short_16: N72LJCIQAROGUZAH · pith_short_8: N72LJCIQ

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/N72LJCIQAROGUZAHEG7XOBZD36 \
  | 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: 6ff4b48910045c6a640721bf770723dfadb5d0c1b03ccdd421ff8b6c4ae3d4e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92d27ae65f4d4a4d72fe3809f3276e1548c8876e3d035a2d5bc54a3c8fc467cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-10-22T10:28:29Z",
    "title_canon_sha256": "b48402bebcd29880c37d1e095ad3c8b28e2c6cf94af3954922660a340d8dcc91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09168",
    "kind": "arxiv",
    "version": 1
  }
}