Pith Number

pith:HRXM6JQU

pith:2015:HRXM6JQUOREQHWCLZFDJBXOZYC

not attested not anchored not stored refs pending

Antibiotics Time Machine is NP-hard

Jed Yang, Ngoc Mai Tran

arxiv:1505.02694 v1 · 2015-05-11 · math.OC · math.DS · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRXM6JQUOREQHWCLZFDJBXOZYC}

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	2026-05-18T02:16:11.845499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c6ecf2614744903d84bc94690ddd9c096ce210c8e81bd74485933b37ff32939

Aliases

arxiv: 1505.02694 · arxiv_version: 1505.02694v1 · doi: 10.48550/arxiv.1505.02694 · pith_short_12: HRXM6JQUOREQ · pith_short_16: HRXM6JQUOREQHWCL · pith_short_8: HRXM6JQU

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/HRXM6JQUOREQHWCLZFDJBXOZYC \
  | 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: 3c6ecf2614744903d84bc94690ddd9c096ce210c8e81bd74485933b37ff32939

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d2b6a0e0bbe0a33ff7951e7764de3e776fb3bceec1847e13a2736ffcf9913cd",
    "cross_cats_sorted": [
      "math.DS",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-05-11T16:23:44Z",
    "title_canon_sha256": "8d874e7508c423a6114fb92611bec9b34cf10c4e613fb46db186b51ff5c7eecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02694",
    "kind": "arxiv",
    "version": 1
  }
}