Pith Number

pith:VFLDPZPB

pith:2019:VFLDPZPBC5EIVCHRPVL6WEI5VF

not attested not anchored not stored refs pending

Imperfect Gaps in Gap-ETH and PCPs

Mitali Bafna, Nikhil Vyas

arxiv:1907.08185 v1 · 2019-07-18 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VFLDPZPBC5EIVCHRPVL6WEI5VF}

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	2026-05-17T23:40:14.792952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a95637e5e117488a88f17d57eb111da97e8c1b873b28019e61ae3073eb2b5097

Aliases

arxiv: 1907.08185 · arxiv_version: 1907.08185v1 · doi: 10.48550/arxiv.1907.08185 · pith_short_12: VFLDPZPBC5EI · pith_short_16: VFLDPZPBC5EIVCHR · pith_short_8: VFLDPZPB

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/VFLDPZPBC5EIVCHRPVL6WEI5VF \
  | 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: a95637e5e117488a88f17d57eb111da97e8c1b873b28019e61ae3073eb2b5097

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fba6b747acd5b51aefd561ab8b9b44d71f4e36f9636b28f34f973d50eed32b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-07-18T17:48:19Z",
    "title_canon_sha256": "8e86410501a186b5648e923673531e45fc7a16689cf1fba5c9488ccf38bf1099"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08185",
    "kind": "arxiv",
    "version": 1
  }
}