Pith Number

pith:FZTJ3XRL

pith:2015:FZTJ3XRL3LE77HLZZB2RISUPJH

not attested not anchored not stored refs pending

A Practical Oblivious Map Data Structure with Secure Deletion and History Independence

Adam J. Aviv, Daniel S. Roche, Seung Geol Choi

arxiv:1505.07391 v2 · 2015-05-27 · cs.CR · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZTJ3XRL3LE77HLZZB2RISUPJH}

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	2026-05-18T01:26:25.290886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e669dde2bdac9ff9d79c875144a8f49e114181f6f84c8139d87754051f9442f

Aliases

arxiv: 1505.07391 · arxiv_version: 1505.07391v2 · doi: 10.48550/arxiv.1505.07391 · pith_short_12: FZTJ3XRL3LE7 · pith_short_16: FZTJ3XRL3LE77HLZ · pith_short_8: FZTJ3XRL

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/FZTJ3XRL3LE77HLZZB2RISUPJH \
  | 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: 2e669dde2bdac9ff9d79c875144a8f49e114181f6f84c8139d87754051f9442f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c717d791bd4d2d84b47d33c168c36913abe2da06dd082ee92eaf0ee3f2d68d20",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-05-27T16:08:34Z",
    "title_canon_sha256": "8c2e426b3cd1c819e3ca53f726097f252bdf2093628339a31851b341ae9d1760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07391",
    "kind": "arxiv",
    "version": 2
  }
}