Pith Number

pith:T6VAMTNN

pith:2025:T6VAMTNNBMY6L52TYEUBBQANB2

not attested not anchored not stored refs pending

Oblivious Deletion Codes

Ray Li, Roni Con

arxiv:2506.18878 v1 · 2025-06-23 · cs.IT · cs.CC · 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{T6VAMTNNBMY6L52TYEUBBQANB2}

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	2026-07-05T11:25:57.371362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9faa064dad0b31e5f753c12810c00d0ea7c7fcf85c9641505c571072690a06da

Aliases

arxiv: 2506.18878 · arxiv_version: 2506.18878v1 · doi: 10.48550/arxiv.2506.18878 · pith_short_12: T6VAMTNNBMY6 · pith_short_16: T6VAMTNNBMY6L52T · pith_short_8: T6VAMTNN

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/T6VAMTNNBMY6L52TYEUBBQANB2 \
  | 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: 9faa064dad0b31e5f753c12810c00d0ea7c7fcf85c9641505c571072690a06da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a49f7bbbe466a0ba659e4db909b6bd634876a948573b3c7bbcca6a468d6e91c",
    "cross_cats_sorted": [
      "cs.CC",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-06-23T17:49:56Z",
    "title_canon_sha256": "6bf7c1126237ec87533aa1217aa35da82b2f23e96321f392560505aab13d1990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.18878",
    "kind": "arxiv",
    "version": 1
  }
}