Pith Number

pith:E3UPA2AO

pith:2018:E3UPA2AOCWW7H5CNB2ZJOWK7CC

not attested not anchored not stored refs pending

Understanding Web Archiving Services and Their (Mis)Use on Social Media

Emiliano De Cristofaro, Gianluca Stringhini, Jeremy Blackburn, Michael Sirivianos, Savvas Zannettou

arxiv:1801.10396 v2 · 2018-01-31 · cs.CY · cs.DL · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E3UPA2AOCWW7H5CNB2ZJOWK7CC}

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	2026-05-18T00:19:02.486080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26e8f0680e15adf3f44d0eb297595f108c7b852ca50ce397b6dd6708032b7e3e

Aliases

arxiv: 1801.10396 · arxiv_version: 1801.10396v2 · doi: 10.48550/arxiv.1801.10396 · pith_short_12: E3UPA2AOCWW7 · pith_short_16: E3UPA2AOCWW7H5CN · pith_short_8: E3UPA2AO

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/E3UPA2AOCWW7H5CNB2ZJOWK7CC \
  | 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: 26e8f0680e15adf3f44d0eb297595f108c7b852ca50ce397b6dd6708032b7e3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5ebd187eb4bedc8642add5ad1cc5c11297e5a10bf1563bfac52984c11fedc3e",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-01-31T10:53:46Z",
    "title_canon_sha256": "305a2a063cc33d30ad7b607740f1ffb814e1965de146ca6750cc60fdf6870e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10396",
    "kind": "arxiv",
    "version": 2
  }
}