Pith Number

pith:DIJSOFRA

pith:2021:DIJSOFRAUBQKFCSRYHXEKIULNM

not attested not anchored not stored refs pending

What Evidence We Would Miss If We Do Not Use Grey Literature?

Fernando Kamei, Gustavo Pinto, Igor Wiese, M\'arcio Ribeiro, S\'ergio Soares

arxiv:2107.05792 v4 · 2021-07-13 · 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{DIJSOFRAUBQKFCSRYHXEKIULNM}

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	2026-07-05T03:06:47.388489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a13271620a060a28a51c1ee45228b6b28c95972e11c3825b29726d5734ffcaf

Aliases

arxiv: 2107.05792 · arxiv_version: 2107.05792v4 · doi: 10.48550/arxiv.2107.05792 · pith_short_12: DIJSOFRAUBQK · pith_short_16: DIJSOFRAUBQKFCSR · pith_short_8: DIJSOFRA

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/DIJSOFRAUBQKFCSRYHXEKIULNM \
  | 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: 1a13271620a060a28a51c1ee45228b6b28c95972e11c3825b29726d5734ffcaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d88a6ce13e632373cf3969856894d0c16e2b714b935bddaabd90fe4961cc9c93",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-07-13T00:33:22Z",
    "title_canon_sha256": "05be490e6ebcab0cca09d79583854c5d9d9aed3cb2187eac18f8258255f6410c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.05792",
    "kind": "arxiv",
    "version": 4
  }
}