Pith Number

pith:SSCT6MU6

pith:2019:SSCT6MU6SQKWDE53R4S6N2HYKT

not attested not anchored not stored refs pending

Supporting Web Archiving via Web Packaging

Herbert Van de Sompel, Martin Klein, Michael L. Nelson, Michele C. Weigle, Sawood Alam

arxiv:1906.07104 v1 · 2019-06-17 · cs.NI · cs.CR · cs.CY · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSCT6MU6SQKWDE53R4S6N2HYKT}

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	2026-05-17T23:43:11.888885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94853f329e94156193bb8f25e6e8f854c7fe7128578af4574de03d1489805551

Aliases

arxiv: 1906.07104 · arxiv_version: 1906.07104v1 · doi: 10.48550/arxiv.1906.07104 · pith_short_12: SSCT6MU6SQKW · pith_short_16: SSCT6MU6SQKWDE53 · pith_short_8: SSCT6MU6

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/SSCT6MU6SQKWDE53R4S6N2HYKT \
  | 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: 94853f329e94156193bb8f25e6e8f854c7fe7128578af4574de03d1489805551

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97f94855e0b8b168e0cd86035c5006c58a2bc1dfcae172733f3766dce45904b8",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.CY",
      "cs.DL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-06-17T16:12:46Z",
    "title_canon_sha256": "407e815714e9aa5269a3f4c85658e7a4e8f3631351368483756f124db2bb7a2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07104",
    "kind": "arxiv",
    "version": 1
  }
}