Pith Number

pith:YQT3SSOW

pith:2015:YQT3SSOWAY74HWBVSAB347XHFW

not attested not anchored not stored refs pending

Requirement Tracing using Term Extraction

Najla Al-Saati, Raghda Abdul-Jaleel

arxiv:1506.08789 v1 · 2015-06-29 · cs.SE · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQT3SSOWAY74HWBVSAB347XHFW}

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	2026-05-18T01:37:43.432938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c427b949d6063fc3d8359003be7ee72d9a0253983cc1661193143a12965b37c6

Aliases

arxiv: 1506.08789 · arxiv_version: 1506.08789v1 · doi: 10.48550/arxiv.1506.08789 · pith_short_12: YQT3SSOWAY74 · pith_short_16: YQT3SSOWAY74HWBV · pith_short_8: YQT3SSOW

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/YQT3SSOWAY74HWBVSAB347XHFW \
  | 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: c427b949d6063fc3d8359003be7ee72d9a0253983cc1661193143a12965b37c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4874d3dfb4ea67c3463cd3095e3eba3f6d9a05343124ab7ae312933e8f3f3f1a",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-06-29T19:21:04Z",
    "title_canon_sha256": "9f49baa98ef19d9791e8dd2c5112f0950fa0a17c5ef98ec5f3048f7b6dea8af6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08789",
    "kind": "arxiv",
    "version": 1
  }
}