pith. sign in
Pith Number

pith:UVPN4CWD

pith:2017:UVPN4CWDZDAFOIYRAIVSZV7HZI
not attested not anchored not stored refs pending

Effect of fixation target on the contrast sensitivity in the foveal and parafoveal area

Alvaro Pons, Edward Fry, Sophie Triantaphillidou, Vicent Sanchis-Jurado

arxiv:1711.10586 v1 · 2017-11-27 · q-bio.NC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UVPN4CWDZDAFOIYRAIVSZV7HZI}

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 2026-05-18T00:29:17.667311Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a55ede0ac3c8c0572311022b2cd7e7ca2c8315b1b41cb47cf94f2fc1be06387c

Aliases

arxiv: 1711.10586 · arxiv_version: 1711.10586v1 · doi: 10.48550/arxiv.1711.10586 · pith_short_12: UVPN4CWDZDAF · pith_short_16: UVPN4CWDZDAFOIYR · pith_short_8: UVPN4CWD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UVPN4CWDZDAFOIYRAIVSZV7HZI \
  | 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: a55ede0ac3c8c0572311022b2cd7e7ca2c8315b1b41cb47cf94f2fc1be06387c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c4d502c7bade6fd4c5d92433fde300010d5e8509c241c9cf618b1e255e8c5780",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2017-11-27T15:43:53Z",
    "title_canon_sha256": "1d41ededb8deb5fd661eea1eb5b0816493a88db603fe3a06282b78d621c67978"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.10586",
    "kind": "arxiv",
    "version": 1
  }
}