Pith Number

pith:4BGW3SA3

pith:2018:4BGW3SA3E5MRE2VDFB22TYVLSA

not attested not anchored not stored refs pending

The REquirements TRacing On target (RETRO).NET Dataset

Alex Dekhtyar, Jane Huffman Hayes, Jared Payne

arxiv:1807.11344 v1 · 2018-07-30 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4BGW3SA3E5MRE2VDFB22TYVLSA}

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	2026-05-18T00:09:32.160454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e04d6dc81b2759126aa32875a9e2ab902b0c9ebc0a3531d1700f87245701c669

Aliases

arxiv: 1807.11344 · arxiv_version: 1807.11344v1 · doi: 10.48550/arxiv.1807.11344 · pith_short_12: 4BGW3SA3E5MR · pith_short_16: 4BGW3SA3E5MRE2VD · pith_short_8: 4BGW3SA3

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/4BGW3SA3E5MRE2VDFB22TYVLSA \
  | 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: e04d6dc81b2759126aa32875a9e2ab902b0c9ebc0a3531d1700f87245701c669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e561bc799cb364deefca54cfb19b29580ec836af75c5987878ba390c231bec59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-07-30T13:42:44Z",
    "title_canon_sha256": "8e6709b8f8f5e1b5a7c050381dbfa5f1793fdf2eea5fc035ea11aeb4d65bd722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11344",
    "kind": "arxiv",
    "version": 1
  }
}