Pith Number

pith:UOFFMDAL

pith:2025:UOFFMDALSQ2B4UZ7Y2U2LJJK4M

not attested not anchored not stored refs pending

How is science discussed on Bluesky?

Er-Te Zheng, Mike Thelwall, Xiaorui Jiang, Zhichao Fang

arxiv:2507.18840 v2 · 2025-07-24 · cs.DL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UOFFMDALSQ2B4UZ7Y2U2LJJK4M}

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	2026-07-05T11:52:03.227653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a38a560c0b94341e533fc6a9a5a52ae335cd15cd4797c97d5dfa7e7b4114ee4f

Aliases

arxiv: 2507.18840 · arxiv_version: 2507.18840v2 · doi: 10.48550/arxiv.2507.18840 · pith_short_12: UOFFMDALSQ2B · pith_short_16: UOFFMDALSQ2B4UZ7 · pith_short_8: UOFFMDAL

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/UOFFMDALSQ2B4UZ7Y2U2LJJK4M \
  | 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: a38a560c0b94341e533fc6a9a5a52ae335cd15cd4797c97d5dfa7e7b4114ee4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "413d2eb9bbd11b19e7e1efc5be59ba943b98f197b71daad457815b95556be28f",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2025-07-24T22:31:28Z",
    "title_canon_sha256": "d95f72133dbe2a0d53774df6b5ea756647774b0515f26f3be0510cfa9f156918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.18840",
    "kind": "arxiv",
    "version": 2
  }
}