Pith Number

pith:KHG4P4EC

pith:2017:KHG4P4ECMPD5WN5XFOGM7REK4P

not attested not anchored not stored refs pending

Streaming for Aibohphobes: Longest Palindrome with Mismatches

Elena Grigorescu, Erfan Sadeqi Azer, Samson Zhou

arxiv:1705.01887 v1 · 2017-05-04 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHG4P4ECMPD5WN5XFOGM7REK4P}

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	2026-05-18T00:45:02.093176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51cdc7f08263c7db37b72b8ccfc48ae3ed4777915d22ce2bbf1add2650fbde3c

Aliases

arxiv: 1705.01887 · arxiv_version: 1705.01887v1 · doi: 10.48550/arxiv.1705.01887 · pith_short_12: KHG4P4ECMPD5 · pith_short_16: KHG4P4ECMPD5WN5X · pith_short_8: KHG4P4EC

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/KHG4P4ECMPD5WN5XFOGM7REK4P \
  | 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: 51cdc7f08263c7db37b72b8ccfc48ae3ed4777915d22ce2bbf1add2650fbde3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8361fa0770e64253792fa8c877c272ea41fb1b49ea2a35b9fea1f3f68eb0c9a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-05-04T15:59:56Z",
    "title_canon_sha256": "498fb3ad4acdfd469e832ace8a46e063c2729dd9101ebed8c21554e2dc796d08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01887",
    "kind": "arxiv",
    "version": 1
  }
}