Pith Number

pith:FO2JMR7H

pith:2025:FO2JMR7HNGIUGX5MYT2KJKSGRB

not attested not anchored not stored refs pending

A Hetero-functional Graph Theory Perspective of Engineering Management of Mega-Projects

Amirreza Hosseini, Amro M. Farid

arxiv:2505.24045 v1 · 2025-05-29 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FO2JMR7HNGIUGX5MYT2KJKSGRB}

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	2026-07-05T11:12:40.738595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb49647e76991435facc4f4a4aa46887678cb4454673c8441e52e45f9abe0bb

Aliases

arxiv: 2505.24045 · arxiv_version: 2505.24045v1 · doi: 10.48550/arxiv.2505.24045 · pith_short_12: FO2JMR7HNGIU · pith_short_16: FO2JMR7HNGIUGX5M · pith_short_8: FO2JMR7H

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/FO2JMR7HNGIUGX5MYT2KJKSGRB \
  | 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: 2bb49647e76991435facc4f4a4aa46887678cb4454673c8441e52e45f9abe0bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d51f6aa6e8d4342271a56ee81e9518148a0bacafa4f3b16aea407bffc21533c4",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2025-05-29T22:28:03Z",
    "title_canon_sha256": "ec25b7ea673bc5714048e91433e22f996472afdcbef1d4433674a43fb8db70a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24045",
    "kind": "arxiv",
    "version": 1
  }
}