pith. sign in
Pith Number

pith:SQU5RXDA

pith:2017:SQU5RXDAKJSSWMJ5PGBSI65TIA
not attested not anchored not stored refs pending

A Service-Oriented Architecture for Assisting the Authoring of Semantic Crowd Maps

Henrique Santos, Vasco Furtado

arxiv:1704.01855 v1 · 2017-04-06 · cs.AI · cs.CY

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SQU5RXDAKJSSWMJ5PGBSI65TIA}

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 2026-05-18T00:46:54.160347Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9429d8dc6052652b313d7983247bb34026a3e1016ae7b14466dad660d96ffc18

Aliases

arxiv: 1704.01855 · arxiv_version: 1704.01855v1 · doi: 10.48550/arxiv.1704.01855 · pith_short_12: SQU5RXDAKJSS · pith_short_16: SQU5RXDAKJSSWMJ5 · pith_short_8: SQU5RXDA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SQU5RXDAKJSSWMJ5PGBSI65TIA \
  | 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: 9429d8dc6052652b313d7983247bb34026a3e1016ae7b14466dad660d96ffc18
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "88d680ef10d837032b72e1cf7b387e41bf48e95b414b7b6e90f5fcf982a13345",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-04-06T14:22:56Z",
    "title_canon_sha256": "c5687c96370239027166e98c4bf7d4562dc47f4fe0f4e30e2e77d29dd54eaa14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01855",
    "kind": "arxiv",
    "version": 1
  }
}