Pith Number

pith:UMZ6QEK4

pith:2017:UMZ6QEK4YQVLIOU4ISKJ6KL3R3

not attested not anchored not stored refs pending

Supporting the use of user generated content in journalistic practice

Arkaitz Zubiaga, Christian Burger, David William Randall, Geraldine Wong Sak Hoi, Maria Liakata, Mark Rouncefield, Peter Tolmie, Rob Procter

arxiv:1702.06491 v1 · 2017-02-21 · cs.HC · 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{UMZ6QEK4YQVLIOU4ISKJ6KL3R3}

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	2026-05-18T00:50:14.013040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a333e8115cc42ab43a9c44949f297b8ee9cac38b780c7b510f1df6ce6cfe415a

Aliases

arxiv: 1702.06491 · arxiv_version: 1702.06491v1 · doi: 10.48550/arxiv.1702.06491 · pith_short_12: UMZ6QEK4YQVL · pith_short_16: UMZ6QEK4YQVLIOU4 · pith_short_8: UMZ6QEK4

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/UMZ6QEK4YQVLIOU4ISKJ6KL3R3 \
  | 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: a333e8115cc42ab43a9c44949f297b8ee9cac38b780c7b510f1df6ce6cfe415a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b866852ceb9f51a868fae69e49cba41f8fc142dbdb627f83335a50c0b5728f81",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2017-02-21T17:45:57Z",
    "title_canon_sha256": "d12ea09f495dea40e573c26f3efdd6c09cabbc83f135fc464d956a2856ea2bf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06491",
    "kind": "arxiv",
    "version": 1
  }
}