Pith Number

pith:QHEF7AWW

pith:2021:QHEF7AWWOJZG624QHAXHPWKBVM

not attested not anchored not stored refs pending

A digital score of tumour-associated stroma infiltrating lymphocytes predicts survival in head and neck squamous cell carcinoma

Arif Jamshed, Asif Loya, Hisham Mehanna, Jill Brooks, Mariam Hassan, Max Robinson, Muhammad Shaban, Nasir Rajpoot, Neil Sharma, Nikolaos Batis, Paul Nankivell, Sajid Mushtaq, Shan E Ahmed Raza, Syed Ali Khurram

arxiv:2104.12862 v1 · 2021-04-16 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHEF7AWWOJZG624QHAXHPWKBVM}

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	2026-07-05T02:35:03.600891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81c85f82d672726f6b90382e77d941ab080005ce332bfa65ebcdeaed30825d24

Aliases

arxiv: 2104.12862 · arxiv_version: 2104.12862v1 · doi: 10.48550/arxiv.2104.12862 · pith_short_12: QHEF7AWWOJZG · pith_short_16: QHEF7AWWOJZG624Q · pith_short_8: QHEF7AWW

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/QHEF7AWWOJZG624QHAXHPWKBVM \
  | 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: 81c85f82d672726f6b90382e77d941ab080005ce332bfa65ebcdeaed30825d24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd6d3f9cc159b365e5a49976917c2006a9167efab64f717f851c9c1d6f4e2fa",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-04-16T19:45:00Z",
    "title_canon_sha256": "00c22d91715f1a8eb18d5721a9bc229f0d8b35b0effad4ea5b651ec140aa5380"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12862",
    "kind": "arxiv",
    "version": 1
  }
}