Pith Number

pith:QWWBDCSR

pith:2017:QWWBDCSRQD7ZFHYPYMITSKJY4U

not attested not anchored not stored refs pending

Semantic Annotation for Microblog Topics Using Wikipedia Temporal Information

Nam Khanh Tran, Robert J\"aschke, Teka Hadgu Asmelash, Tuan Tran

arxiv:1701.03939 v1 · 2017-01-14 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWWBDCSRQD7ZFHYPYMITSKJY4U}

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	2026-05-18T00:52:48.379045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85ac118a5180ff929f0fc311392938e50745802fa2681c78f949357b3b56abc8

Aliases

arxiv: 1701.03939 · arxiv_version: 1701.03939v1 · doi: 10.48550/arxiv.1701.03939 · pith_short_12: QWWBDCSRQD7Z · pith_short_16: QWWBDCSRQD7ZFHYP · pith_short_8: QWWBDCSR

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/QWWBDCSRQD7ZFHYPYMITSKJY4U \
  | 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: 85ac118a5180ff929f0fc311392938e50745802fa2681c78f949357b3b56abc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f299b434d29cf45a94de0d502a36d5ec4a609d905ad3630eab52a7e6dd88eab6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-01-14T16:11:50Z",
    "title_canon_sha256": "cfd229b98f6d9368f9ad074d4715a60e2165fdb40e3564f04e555ce4b40309bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03939",
    "kind": "arxiv",
    "version": 1
  }
}