Pith Number

pith:HUEFDME2

pith:2015:HUEFDME2QMMA4HNZVDVA4MQLEF

not attested not anchored not stored refs pending

To NACK or not to NACK? Negative Acknowledgments in Information-Centric Networking

Alberto Compagno, Cesar Ghali, Gene Tsudik, Mauro Conti

arxiv:1503.02123 v1 · 2015-03-07 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUEFDME2QMMA4HNZVDVA4MQLEF}

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	2026-05-18T01:23:18.958079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d0851b09a83180e1db9a8ea0e320b2157e3ef701aa9a8c88ab5d7e07e58423f

Aliases

arxiv: 1503.02123 · arxiv_version: 1503.02123v1 · doi: 10.48550/arxiv.1503.02123 · pith_short_12: HUEFDME2QMMA · pith_short_16: HUEFDME2QMMA4HNZ · pith_short_8: HUEFDME2

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/HUEFDME2QMMA4HNZVDVA4MQLEF \
  | 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: 3d0851b09a83180e1db9a8ea0e320b2157e3ef701aa9a8c88ab5d7e07e58423f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f69390e10110a54b4d6ecee66d8af77264c90a3dc0dad5b8b2c2ec85124bb226",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2015-03-07T02:54:11Z",
    "title_canon_sha256": "6ed2e7f5a526d0616b8ed76fbf136432720c1cc0d47030f046c0333de8c8caea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02123",
    "kind": "arxiv",
    "version": 1
  }
}