Pith Number

pith:FFQCQD3U

pith:2016:FFQCQD3UINM32WVFVNI4OZP4OK

not attested not anchored not stored refs pending

Think before you collect: Setting up a data collection approach for social media studies

Katrin Weller, Philipp Mayr

arxiv:1601.06296 v4 · 2016-01-23 · cs.CY · cs.DL · 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{FFQCQD3UINM32WVFVNI4OZP4OK}

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	2026-05-18T00:31:45.488197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2960280f744359bd5aa5ab51c765fc7281565b8cb55c9601d87d32c3c7445ce8

Aliases

arxiv: 1601.06296 · arxiv_version: 1601.06296v4 · doi: 10.48550/arxiv.1601.06296 · pith_short_12: FFQCQD3UINM3 · pith_short_16: FFQCQD3UINM32WVF · pith_short_8: FFQCQD3U

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/FFQCQD3UINM32WVFVNI4OZP4OK \
  | 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: 2960280f744359bd5aa5ab51c765fc7281565b8cb55c9601d87d32c3c7445ce8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6993ba7c19b8e9ce28ca95e1e074b89914c03d29a02a78cee80222c36c8f4e81",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2016-01-23T17:28:25Z",
    "title_canon_sha256": "06987c67180b7a2bcc3a7516118d0a0cae32b4a10bd2f705fb45bbf941b9bc53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06296",
    "kind": "arxiv",
    "version": 4
  }
}