Pith Number

pith:HUMW7Z6A

pith:2016:HUMW7Z6AOXHTLFMKEFNPJWO4OD

not attested not anchored not stored refs pending

Semantic Place Descriptors for Classification and Map Discovery

Carsten Eickhoff, Siddharth Sarda, Thomas Hofmann

arxiv:1601.05952 v1 · 2016-01-22 · cs.IR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUMW7Z6AOXHTLFMKEFNPJWO4OD}

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	2026-05-18T01:22:09.682059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d196fe7c075cf35958a215af4d9dc70f08791f88f49ca8191362c87a554c4f7

Aliases

arxiv: 1601.05952 · arxiv_version: 1601.05952v1 · doi: 10.48550/arxiv.1601.05952 · pith_short_12: HUMW7Z6AOXHT · pith_short_16: HUMW7Z6AOXHTLFMK · pith_short_8: HUMW7Z6A

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/HUMW7Z6AOXHTLFMKEFNPJWO4OD \
  | 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: 3d196fe7c075cf35958a215af4d9dc70f08791f88f49ca8191362c87a554c4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69a89fc10ba19bb74c8619ec96ff2bd95f865da615478b2a158fda4d35287a78",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-01-22T10:46:29Z",
    "title_canon_sha256": "b7d89b798247554d2150fcb626813697c54ac48bef541ebbc06fed036bbff746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05952",
    "kind": "arxiv",
    "version": 1
  }
}