Pith Number

pith:CK7T6W6N

pith:2018:CK7T6W6NYS2AGNJF6KYAC7NL57

not attested not anchored not stored refs pending

Twisty Takens: A Geometric Characterization of Good Observations on Dense Trajectories

Alice Antia, Boyan Xu, Christopher J. Tralie, Jose A. Perea, Michael Lin

arxiv:1809.07131 v3 · 2018-09-19 · math.DS · cs.CG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CK7T6W6NYS2AGNJF6KYAC7NL57}

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	2026-05-17T23:47:02.831361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12bf3f5bcdc4b4033525f2b0017dabeffdf5cc420aeddf20f0ace6e1b1d88b70

Aliases

arxiv: 1809.07131 · arxiv_version: 1809.07131v3 · doi: 10.48550/arxiv.1809.07131 · pith_short_12: CK7T6W6NYS2A · pith_short_16: CK7T6W6NYS2AGNJF · pith_short_8: CK7T6W6N

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/CK7T6W6NYS2AGNJF6KYAC7NL57 \
  | 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: 12bf3f5bcdc4b4033525f2b0017dabeffdf5cc420aeddf20f0ace6e1b1d88b70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9380d1f19056ec35d0c482a8e1cb43554064b61e6d207a8e7656e45df5e2e155",
    "cross_cats_sorted": [
      "cs.CG",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-09-19T11:47:49Z",
    "title_canon_sha256": "621a270e3787bb932e2c4dd2addfb956831b673ff8a54fcf5cd49af4388558f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07131",
    "kind": "arxiv",
    "version": 3
  }
}