Pith Number

pith:3J4SW345

pith:2010:3J4SW345NM2FHBGNONLESD5XUU

not attested not anchored not stored refs pending

An ode to Phipps' jeep convoys

Michiel de Bondt

arxiv:1009.2937 v1 · 2010-09-13 · math.HO · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3J4SW345NM2FHBGNONLESD5XUU}

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	2026-05-18T01:17:10.599403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da792b6f9d6b345384cd7356490fb7a50b0468212ed7dc4e8b0e8bf2e875044c

Aliases

arxiv: 1009.2937 · arxiv_version: 1009.2937v1 · doi: 10.48550/arxiv.1009.2937 · pith_short_12: 3J4SW345NM2F · pith_short_16: 3J4SW345NM2FHBGN · pith_short_8: 3J4SW345

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/3J4SW345NM2FHBGNONLESD5XUU \
  | 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: da792b6f9d6b345384cd7356490fb7a50b0468212ed7dc4e8b0e8bf2e875044c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea745ee37b172e5cb65cbcd35c59b0530c02e2e8b9997c313e8506d499b0b0ea",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2010-09-13T01:38:56Z",
    "title_canon_sha256": "bee6dc8217a5f5f4869f0060918e48ec6a153f6e37934b6332dde8564a94fa43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2937",
    "kind": "arxiv",
    "version": 1
  }
}