Pith Number

pith:SVBMVOFY

pith:2007:SVBMVOFYSNVJDBVIE6V5NRO2YO

not attested not anchored not stored refs pending

The source coding game with a cheating switcher

Anant Sahai, Cheng Chang, Hari Palaiyanur

arxiv:cs/0701027 v2 · 2007-01-05 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVBMVOFYSNVJDBVIE6V5NRO2YO}

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	2026-07-04T15:02:54.900497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9542cab8b8936a9186a827abd6c5dac3b756f50f143c762870b4f57d5d61b753

Aliases

arxiv: cs/0701027 · arxiv_version: cs/0701027v2 · doi: 10.48550/arxiv.cs/0701027 · pith_short_12: SVBMVOFYSNVJ · pith_short_16: SVBMVOFYSNVJDBVI · pith_short_8: SVBMVOFY

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/SVBMVOFYSNVJDBVIE6V5NRO2YO \
  | 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: 9542cab8b8936a9186a827abd6c5dac3b756f50f143c762870b4f57d5d61b753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edf7cfd2d6a29fc318ef261b27c82dde490d23e59b556f777836bcada9da8c21",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-01-05T05:38:13Z",
    "title_canon_sha256": "2f9a4fdecfb4609da3a642485c1426a4557c40104c6338c3754abb374caace87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0701027",
    "kind": "arxiv",
    "version": 2
  }
}