Pith Number

pith:OHX5JY3V

pith:2017:OHX5JY3VPU24HO5HVZVNFX4QPI

not attested not anchored not stored refs pending

Location Inference from Tweets using Grid-based Classification

Deepak P, Jun Hong, Oluwaseun Ajao

arxiv:1701.03855 v1 · 2017-01-14 · 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{OHX5JY3VPU24HO5HVZVNFX4QPI}

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	2026-05-18T00:51:01.953003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71efd4e3757d35c3bba7ae6ad2df907a1b8b7999ac57e3d5c57827cb5b38829a

Aliases

arxiv: 1701.03855 · arxiv_version: 1701.03855v1 · doi: 10.48550/arxiv.1701.03855 · pith_short_12: OHX5JY3VPU24 · pith_short_16: OHX5JY3VPU24HO5H · pith_short_8: OHX5JY3V

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/OHX5JY3VPU24HO5HVZVNFX4QPI \
  | 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: 71efd4e3757d35c3bba7ae6ad2df907a1b8b7999ac57e3d5c57827cb5b38829a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79f14232a0dd2b90782d56e4347190cf4ad627ee7a9c2d71a6497dd3f71f8a02",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-01-14T00:44:49Z",
    "title_canon_sha256": "4852ad7624a5fcb07553962e1998753749afdac50f7fa6d2b318f0b68682d584"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03855",
    "kind": "arxiv",
    "version": 1
  }
}