Pith Number

pith:Y7E6GU4Z

pith:2017:Y7E6GU4Z4U7GLKBD2HP5I5NPRX

not attested not anchored not stored refs pending

Identitas: A Better Way To Be Meaningless

Nizal Alshammry, Phillip Lord

arxiv:1709.09021 v2 · 2017-09-26 · 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{Y7E6GU4Z4U7GLKBD2HP5I5NPRX}

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	2026-05-18T00:34:09.384803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7c9e35399e53e65a823d1dfd475af8dfd8fa68304886b478fc498e76c4f152c

Aliases

arxiv: 1709.09021 · arxiv_version: 1709.09021v2 · doi: 10.48550/arxiv.1709.09021 · pith_short_12: Y7E6GU4Z4U7G · pith_short_16: Y7E6GU4Z4U7GLKBD · pith_short_8: Y7E6GU4Z

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/Y7E6GU4Z4U7GLKBD2HP5I5NPRX \
  | 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: c7c9e35399e53e65a823d1dfd475af8dfd8fa68304886b478fc498e76c4f152c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f9291433a9c30e1432337aa846da15e41eacbb747c6df4c58f497dee3448bd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-09-26T13:56:47Z",
    "title_canon_sha256": "e367444a5b7670d414fa7f1a18d567f43078753a5a2271caf1c7437ad2d5fa7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09021",
    "kind": "arxiv",
    "version": 2
  }
}