Pith Number

pith:PRPMXFZK

pith:2017:PRPMXFZKHJLCGB4OX4HYSNNQGI

not attested not anchored not stored refs pending

Stories From the Past Web

Michael L. Nelson, Michele C. Weigle, Yasmin AlNoamany

arxiv:1705.06218 v1 · 2017-05-17 · 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{PRPMXFZKHJLCGB4OX4HYSNNQGI}

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	2026-05-18T00:44:18.400760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c5ecb972a3a5623078ebf0f8935b0322162d16dcbdca200cc3b973204ec1ca8

Aliases

arxiv: 1705.06218 · arxiv_version: 1705.06218v1 · doi: 10.48550/arxiv.1705.06218 · pith_short_12: PRPMXFZKHJLC · pith_short_16: PRPMXFZKHJLCGB4O · pith_short_8: PRPMXFZK

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/PRPMXFZKHJLCGB4OX4HYSNNQGI \
  | 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: 7c5ecb972a3a5623078ebf0f8935b0322162d16dcbdca200cc3b973204ec1ca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d36a9274d0d35c66829e4aa89c6e8177be878ff56555c3ea6b9ed4983944e92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-05-17T15:39:10Z",
    "title_canon_sha256": "d5cabb199581d5a7a95e36758f133125ff5ac859ddd8286d3e982b607b11d25b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06218",
    "kind": "arxiv",
    "version": 1
  }
}