Pith Number

pith:I7GKSILD

pith:2012:I7GKSILDUMRBCHJAWPHAJB2HMC

not attested not anchored not stored refs pending

Sharp Bounds on Davenport-Schinzel Sequences of Every Order

Seth Pettie

arxiv:1204.1086 v2 · 2012-04-04 · cs.DM · cs.CG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7GKSILDUMRBCHJAWPHAJB2HMC}

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	2026-05-18T03:25:25.812578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47cca92163a322111d20b3ce04874760b0cc8e4fada18d6404703af0c76ef885

Aliases

arxiv: 1204.1086 · arxiv_version: 1204.1086v2 · doi: 10.48550/arxiv.1204.1086 · pith_short_12: I7GKSILDUMRB · pith_short_16: I7GKSILDUMRBCHJA · pith_short_8: I7GKSILD

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/I7GKSILDUMRBCHJAWPHAJB2HMC \
  | 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: 47cca92163a322111d20b3ce04874760b0cc8e4fada18d6404703af0c76ef885

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad5ff373a78ffe7050ec780fb205892020dc9f827fd4dcf4b2c7d5a78edff8c7",
    "cross_cats_sorted": [
      "cs.CG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-04-04T22:24:14Z",
    "title_canon_sha256": "ca6f46b9c634a2db1f59360e4da4b81831aa3268952502e532b59cda3cf44e24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1086",
    "kind": "arxiv",
    "version": 2
  }
}