Pith Number

pith:TFPAWY23

pith:2019:TFPAWY23UFI45JDRB3ARRIRNWA

not attested not anchored not stored refs pending

Sundials in the Shade: An Internet-wide Perspective on ICMP Timestamps

Erik C. Rye, Robert Beverly

arxiv:1903.08294 v1 · 2019-03-20 · 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{TFPAWY23UFI45JDRB3ARRIRNWA}

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	2026-05-17T23:50:49.708252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

995e0b635ba151cea4710ec118a22db03de35bf02313afd9d418bfe04867afa1

Aliases

arxiv: 1903.08294 · arxiv_version: 1903.08294v1 · doi: 10.48550/arxiv.1903.08294 · pith_short_12: TFPAWY23UFI4 · pith_short_16: TFPAWY23UFI45JDR · pith_short_8: TFPAWY23

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/TFPAWY23UFI45JDRB3ARRIRNWA \
  | 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: 995e0b635ba151cea4710ec118a22db03de35bf02313afd9d418bfe04867afa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dc1e0d4b3cc50227d86cf59d6c3ce7d2afcbc7fb14c678b2d400d953c9273ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-03-20T00:15:13Z",
    "title_canon_sha256": "8ef39d5209a474c92d43edfc3c2f30340cf5c5d92a05c3cfc98a5fd290a1665b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08294",
    "kind": "arxiv",
    "version": 1
  }
}