Pith Number

pith:O5LLCJMA

pith:2018:O5LLCJMAV7CG4Y4SJMJMBTLBSF

not attested not anchored not stored refs pending

Neural computation of surface border ownership and relative surface depth from ambiguous contrast inputs

Birgitta Dresp-Langley, Stephen Grossberg

arxiv:1805.08091 v1 · 2018-05-21 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5LLCJMAV7CG4Y4SJMJMBTLBSF}

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	2026-05-18T00:15:31.715440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7756b12580afc46e63924b12c0cd6191475a183661305894cab4a25d281c5d94

Aliases

arxiv: 1805.08091 · arxiv_version: 1805.08091v1 · doi: 10.48550/arxiv.1805.08091 · pith_short_12: O5LLCJMAV7CG · pith_short_16: O5LLCJMAV7CG4Y4S · pith_short_8: O5LLCJMA

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/O5LLCJMAV7CG4Y4SJMJMBTLBSF \
  | 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: 7756b12580afc46e63924b12c0cd6191475a183661305894cab4a25d281c5d94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f5a8970db1b44853ba3743db82dd8de3e585f5e0ea20302fdd440c1c2f71bff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2018-05-21T14:47:49Z",
    "title_canon_sha256": "da755f02a0090255fe89b5ac2c1a40ceb4369dfb641500acd3837c77e37ea5a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08091",
    "kind": "arxiv",
    "version": 1
  }
}