Pith Number

pith:HFPWN6YT

pith:2015:HFPWN6YT7ACG3JO6CT5RUEGHYT

not attested not anchored not stored refs pending

Brain activity on a hypersphere

A. Tozzi, J.F. Peters

arxiv:1512.00036 v1 · 2015-10-04 · 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{HFPWN6YT7ACG3JO6CT5RUEGHYT}

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	2026-05-18T01:25:32.981761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

395f66fb13f8046da5de14fb1a10c7c4c49b63d5c645818a07ca30b8dab65ffc

Aliases

arxiv: 1512.00036 · arxiv_version: 1512.00036v1 · doi: 10.48550/arxiv.1512.00036 · pith_short_12: HFPWN6YT7ACG · pith_short_16: HFPWN6YT7ACG3JO6 · pith_short_8: HFPWN6YT

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/HFPWN6YT7ACG3JO6CT5RUEGHYT \
  | 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: 395f66fb13f8046da5de14fb1a10c7c4c49b63d5c645818a07ca30b8dab65ffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fec9c7ae62335a7f73d01703928269102a70d60518230398f72e72f06615771",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2015-10-04T12:39:25Z",
    "title_canon_sha256": "f451c755e4a171f20ac76fa645c4a4306a03936d1bdc17aa8f53dd4a83a74b51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00036",
    "kind": "arxiv",
    "version": 1
  }
}