Pith Number

pith:IL54LEDQ

pith:2018:IL54LEDQHKZDRVM3HUOPQ7LMXY

not attested not anchored not stored refs pending

Use of "Web Map Image" and copyright act

Nobusuke Iwasaki, Satoshi Iida

arxiv:1808.01469 v1 · 2018-08-04 · 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{IL54LEDQHKZDRVM3HUOPQ7LMXY}

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	2026-05-18T00:08:52.873184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42fbc590703ab238d59b3d1cf87d6cbe16264fbc6fc65c37c0f094802c9d03a6

Aliases

arxiv: 1808.01469 · arxiv_version: 1808.01469v1 · doi: 10.48550/arxiv.1808.01469 · pith_short_12: IL54LEDQHKZD · pith_short_16: IL54LEDQHKZDRVM3 · pith_short_8: IL54LEDQ

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/IL54LEDQHKZDRVM3HUOPQ7LMXY \
  | 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: 42fbc590703ab238d59b3d1cf87d6cbe16264fbc6fc65c37c0f094802c9d03a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec12a9b77a623bc8939f15956571bfa0781fffcb9da684c95628d892149ca9f0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-08-04T11:34:02Z",
    "title_canon_sha256": "8007e8727aa8bc0226c8158420271d9dc61f0b0c0fe7afd8613837fa1af068b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01469",
    "kind": "arxiv",
    "version": 1
  }
}