Pith Number

pith:ZHATSH73

pith:2012:ZHATSH73HCC3IZ3FB6U7VS7TG5

not attested not anchored not stored refs pending

IP over Voice-over-IP for censorship circumvention

Amir Houmansadr, Andrew Singer, Nikita Borisov, Thomas Riedl

arxiv:1207.2683 v2 · 2012-07-11 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHATSH73HCC3IZ3FB6U7VS7TG5}

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	2026-05-18T02:21:08.383588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9c1391ffb3885b467650fa9facbf3375197a602ef0e09e8970e884519c5d712

Aliases

arxiv: 1207.2683 · arxiv_version: 1207.2683v2 · doi: 10.48550/arxiv.1207.2683 · pith_short_12: ZHATSH73HCC3 · pith_short_16: ZHATSH73HCC3IZ3F · pith_short_8: ZHATSH73

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/ZHATSH73HCC3IZ3FB6U7VS7TG5 \
  | 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: c9c1391ffb3885b467650fa9facbf3375197a602ef0e09e8970e884519c5d712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b9a9ce3b6730f1edb40218833e85bb7b50d023d8d7a207793e8e653f77e39c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-07-11T15:48:08Z",
    "title_canon_sha256": "51a4109ddfb871503805faa8a08e786b019c1d541a82a1c571f5da9b6082278b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2683",
    "kind": "arxiv",
    "version": 2
  }
}