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Pith Number

pith:N2TLO5YA

pith:2017:N2TLO5YAL22F7V6E7SRQYNLIBT
not attested not anchored not stored refs pending

FontCode: Embedding Information in Text Documents using Glyph Perturbation

Chang Xiao, Changxi Zheng, Cheng Zhang

arxiv:1707.09418 v1 · 2017-07-28 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N2TLO5YAL22F7V6E7SRQYNLIBT}

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 2026-05-17T23:43:43.401273Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6ea6b777005eb45fd7c4fca30c35680cc2b665b80749d5c252931a95495b61a3

Aliases

arxiv: 1707.09418 · arxiv_version: 1707.09418v1 · doi: 10.48550/arxiv.1707.09418 · pith_short_12: N2TLO5YAL22F · pith_short_16: N2TLO5YAL22F7V6E · pith_short_8: N2TLO5YA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N2TLO5YAL22F7V6E7SRQYNLIBT \
  | 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: 6ea6b777005eb45fd7c4fca30c35680cc2b665b80749d5c252931a95495b61a3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "224cf10d4aae1fe8f111593987cbb7250451333a5990f9d2635c1def27771ce0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-28T21:03:50Z",
    "title_canon_sha256": "dd351a837552b5a561110dd3717a261c58007cb461ed82ceece2906735028004"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09418",
    "kind": "arxiv",
    "version": 1
  }
}