Pith Number

pith:TBERX7YF

pith:2021:TBERX7YFN6L6AALRJ2NWOQWQW6

not attested not anchored not stored refs pending

SIMstack: A Generative Shape and Instance Model for Unordered Object Stacks

Andrew J. Davison, Raluca Scona, Stefan Leutenegger, Stephen James, Tristan Laidlow, Zoe Landgraf

arxiv:2103.16442 v2 · 2021-03-30 · 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{TBERX7YFN6L6AALRJ2NWOQWQW6}

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	2026-07-05T03:17:14.357792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98491bff056f97e001714e9b6742d0b7a737e988557929fad1f406df8a9df155

Aliases

arxiv: 2103.16442 · arxiv_version: 2103.16442v2 · doi: 10.48550/arxiv.2103.16442 · pith_short_12: TBERX7YFN6L6 · pith_short_16: TBERX7YFN6L6AALR · pith_short_8: TBERX7YF

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/TBERX7YFN6L6AALRJ2NWOQWQW6 \
  | 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: 98491bff056f97e001714e9b6742d0b7a737e988557929fad1f406df8a9df155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e8a003ede3374091c15ec5e11ffd2b2e6f6fe7199844670b13de2b972d4133c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-30T15:42:43Z",
    "title_canon_sha256": "e1ae0df07574fe71e495efe79a3eaf569884f193112340a22df7b9cee797a9b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16442",
    "kind": "arxiv",
    "version": 2
  }
}