Pith Number

pith:PRCFXOFG

pith:2011:PRCFXOFG25CYGIHLSNPIVNNUVY

not attested not anchored not stored refs pending

Evolutionary Mechanics: new engineering principles for the emergence of flexibility in a dynamic and uncertain world

Axel Bender, James M Whitacre, Philipp Rohlfshagen, Xin Yao

arxiv:1101.4103 v1 · 2011-01-21 · nlin.AO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRCFXOFG25CYGIHLSNPIVNNUVY}

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	2026-05-18T04:31:12.691341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c445bb8a6d7458320eb935e8ab5b4ae2046950d3a32769110b73c895682962a

Aliases

arxiv: 1101.4103 · arxiv_version: 1101.4103v1 · doi: 10.48550/arxiv.1101.4103 · pith_short_12: PRCFXOFG25CY · pith_short_16: PRCFXOFG25CYGIHL · pith_short_8: PRCFXOFG

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/PRCFXOFG25CYGIHLSNPIVNNUVY \
  | 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: 7c445bb8a6d7458320eb935e8ab5b4ae2046950d3a32769110b73c895682962a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78fd9c5fe1593f9aefa98b6f553a67f8f076edfee9faddb14f3546fa6d2a4251",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "nlin.AO",
    "submitted_at": "2011-01-21T10:11:23Z",
    "title_canon_sha256": "abceeaa0e41fe990bfda8ff9a4936c7886b120b99e2a4fd71c99a99c58e66362"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4103",
    "kind": "arxiv",
    "version": 1
  }
}