Pith Number

pith:G53UOTLI

pith:2020:G53UOTLIBQSIVOUNT6R4NJDFNK

not attested not anchored not stored refs pending

Levitating Rigid Objects with Hidden Rods and Wires

Alec Jacobson, David I.W. Levin, Karan Singh, Risa Ulinski, Sarah Kushner

arxiv:2005.00074 v2 · 2020-04-30 · 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{G53UOTLIBQSIVOUNT6R4NJDFNK}

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	2026-07-05T02:14:09.989845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3777474d680c248aba8d9fa3c6a4656aad037d45866c7a9a9f630a402fecc861

Aliases

arxiv: 2005.00074 · arxiv_version: 2005.00074v2 · doi: 10.48550/arxiv.2005.00074 · pith_short_12: G53UOTLIBQSI · pith_short_16: G53UOTLIBQSIVOUN · pith_short_8: G53UOTLI

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/G53UOTLIBQSIVOUNT6R4NJDFNK \
  | 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: 3777474d680c248aba8d9fa3c6a4656aad037d45866c7a9a9f630a402fecc861

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7247f9f89ffdaf21917d9b751c4f61bbddd0be7547d92ead968a00556f0c2c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2020-04-30T19:48:57Z",
    "title_canon_sha256": "fbe2be8e9effdd6b3ce924e61dd1bc5d500158aff13fce836b16704ceecd0dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.00074",
    "kind": "arxiv",
    "version": 2
  }
}