Pith Number

pith:27IGRHEX

pith:2017:27IGRHEX35RZVVK2JUXDC6MANT

not attested not anchored not stored refs pending

Towards operational natural language

Alexandr Naumchev

arxiv:1711.06518 v1 · 2017-11-17 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27IGRHEX35RZVVK2JUXDC6MANT}

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	2026-05-18T00:30:20.845132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7d0689c97df639ad55a4d2e3179806cd0557bf7e09fe78e67059bc1a362ee05

Aliases

arxiv: 1711.06518 · arxiv_version: 1711.06518v1 · doi: 10.48550/arxiv.1711.06518 · pith_short_12: 27IGRHEX35RZ · pith_short_16: 27IGRHEX35RZVVK2 · pith_short_8: 27IGRHEX

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/27IGRHEX35RZVVK2JUXDC6MANT \
  | 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: d7d0689c97df639ad55a4d2e3179806cd0557bf7e09fe78e67059bc1a362ee05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95c170b7ce522945478240aff493dea67a7533fb9fa6c316d424b10f51644749",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-11-17T13:02:31Z",
    "title_canon_sha256": "5cd152786f94ebe8cf4598915abc737c6b24ed6ed9794fba272851f35ca42170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06518",
    "kind": "arxiv",
    "version": 1
  }
}