Pith Number

pith:ROZ7BXOQ

pith:2019:ROZ7BXOQPHMBFYEGDJVWD2PGRQ

not attested not anchored not stored refs pending

Towards a Live Anonymous Question Queue To Address Student Apprehension

Daniela Damian, Francis Harrison, Guy Evans, Lloyd Montgomery

arxiv:1901.01061 v1 · 2019-01-04 · 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{ROZ7BXOQPHMBFYEGDJVWD2PGRQ}

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	2026-05-17T23:56:57.241632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bb3f0ddd079d812e0861a6b61e9e68c14cfc8a1b9d5cf31e80aac8eb565ba76

Aliases

arxiv: 1901.01061 · arxiv_version: 1901.01061v1 · doi: 10.48550/arxiv.1901.01061 · pith_short_12: ROZ7BXOQPHMB · pith_short_16: ROZ7BXOQPHMBFYEG · pith_short_8: ROZ7BXOQ

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/ROZ7BXOQPHMBFYEGDJVWD2PGRQ \
  | 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: 8bb3f0ddd079d812e0861a6b61e9e68c14cfc8a1b9d5cf31e80aac8eb565ba76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5d54ab53edf4a0c8943d307cf24693ee2ac64e43449ba023577efb633990919",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-01-04T11:35:19Z",
    "title_canon_sha256": "db31060b97836397eb73187183907f064db7b22930b077eaac40a56b355cc762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01061",
    "kind": "arxiv",
    "version": 1
  }
}