Pith Number

pith:QQD3ZDRB

pith:2009:QQD3ZDRBU2D6RSETGXGXKCDPDF

not attested not anchored not stored refs pending

Photodynamic therapy influence on anti-cancer immunity

O.G. Isaeva, V.A. Osipov

arxiv:0911.4074 v2 · 2009-11-20 · q-bio.CB · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQD3ZDRBU2D6RSETGXGXKCDPDF}

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	2026-05-18T02:10:45.405406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8407bc8e21a687e8c89335cd75086f195d0c8d48595436c177d2e66b672e66af

Aliases

arxiv: 0911.4074 · arxiv_version: 0911.4074v2 · doi: 10.48550/arxiv.0911.4074 · pith_short_12: QQD3ZDRBU2D6 · pith_short_16: QQD3ZDRBU2D6RSET · pith_short_8: QQD3ZDRB

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/QQD3ZDRBU2D6RSETGXGXKCDPDF \
  | 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: 8407bc8e21a687e8c89335cd75086f195d0c8d48595436c177d2e66b672e66af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e2134d448e074419a8315b82dafc8bd4b32cf00ff61badaf296b4fbeed422cc",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.CB",
    "submitted_at": "2009-11-20T16:22:38Z",
    "title_canon_sha256": "733971911df21fab3d5b8ee51de22bca2a2365c59aed18d9d13ccd4614540ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4074",
    "kind": "arxiv",
    "version": 2
  }
}