Pith Number

pith:TOWNN2Y4

pith:2013:TOWNN2Y4OGXUTZP36MFWWNLZLI

not attested not anchored not stored refs pending

DNStamp: Short-lived Trusted Timestamping

Christoph Neumann, Olivier Heen, St\'ephane Onno

arxiv:1307.5756 v2 · 2013-07-22 · cs.NI · 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{TOWNN2Y4OGXUTZP36MFWWNLZLI}

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	2026-05-18T02:56:44.113863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bacd6eb1c71af49e5fbf30b6b35795a2d988eae63fe6feb0bc0193870b51470

Aliases

arxiv: 1307.5756 · arxiv_version: 1307.5756v2 · doi: 10.48550/arxiv.1307.5756 · pith_short_12: TOWNN2Y4OGXU · pith_short_16: TOWNN2Y4OGXUTZP3 · pith_short_8: TOWNN2Y4

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/TOWNN2Y4OGXUTZP36MFWWNLZLI \
  | 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: 9bacd6eb1c71af49e5fbf30b6b35795a2d988eae63fe6feb0bc0193870b51470

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "914c2829c6a8008edf702f541fe73b3ef97ab39e1b47fdd97a0dbcf1a60b7cd5",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2013-07-22T16:09:11Z",
    "title_canon_sha256": "b77ad7427dad30bfbd8d59a3fcaf42af39a087834a25de0814fcdc833f93f3bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5756",
    "kind": "arxiv",
    "version": 2
  }
}