Pith Number

pith:VLFKAV7R

pith:2012:VLFKAV7RRKVSMAIPRGMXWNKBSP

not attested not anchored not stored refs pending

Examining marginal sequence similarities between bacterial type III secretion system and Trypanosoma cruzi surface proteins: Horizontal gene transfer or convergent evolution?

Danielle C. F. Silva, Marcelo R. S. Briones, Renata C. Ferreira, Richard C. Silva

arxiv:1211.6611 v1 · 2012-11-28 · q-bio.PE · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VLFKAV7RRKVSMAIPRGMXWNKBSP}

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	2026-05-18T03:39:44.198077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aacaa057f18aab26010f89997b354193f30e5ff5bb584ede2932095a7ea68746

Aliases

arxiv: 1211.6611 · arxiv_version: 1211.6611v1 · doi: 10.48550/arxiv.1211.6611 · pith_short_12: VLFKAV7RRKVS · pith_short_16: VLFKAV7RRKVSMAIP · pith_short_8: VLFKAV7R

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/VLFKAV7RRKVSMAIPRGMXWNKBSP \
  | 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: aacaa057f18aab26010f89997b354193f30e5ff5bb584ede2932095a7ea68746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec75bcaad457096f915b5e26e31afc6d7c23607e9a31a0f678417817379bf597",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-11-28T14:35:37Z",
    "title_canon_sha256": "b6e6023fcb30c1e62e7dab0f1a750400f0d7f6b205e2d09e6cd69e7f89a10237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6611",
    "kind": "arxiv",
    "version": 1
  }
}