Pith Number

pith:TIFORWAO

pith:2016:TIFORWAOBXCG2RXROBDAECGF4E

not attested not anchored not stored refs pending

Do we really need to catch them all? A new User-guided Social Media Crawling method

Fredrik Erlandsson, Henric Johnson, Martin Boldt, Piotr Br\'odka

arxiv:1612.01734 v3 · 2016-12-06 · 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{TIFORWAOBXCG2RXROBDAECGF4E}

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	2026-05-18T00:28:02.576520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a0ae8d80e0dc46d46f170460208c5e1041e6ab65a10f3ec877fb803404ce2bb

Aliases

arxiv: 1612.01734 · arxiv_version: 1612.01734v3 · doi: 10.48550/arxiv.1612.01734 · pith_short_12: TIFORWAOBXCG · pith_short_16: TIFORWAOBXCG2RXR · pith_short_8: TIFORWAO

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/TIFORWAOBXCG2RXROBDAECGF4E \
  | 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: 9a0ae8d80e0dc46d46f170460208c5e1041e6ab65a10f3ec877fb803404ce2bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c01c50c07e187d45f7f55d5bac894fa96878320d70d3946fa8a287b3abbda10b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2016-12-06T10:22:00Z",
    "title_canon_sha256": "34f8f3b4da141cbf09d3cee52e990ef3922adefb6bb3a5c0ad6cac01eb4b958e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01734",
    "kind": "arxiv",
    "version": 3
  }
}