Pith Number

pith:RQWZASR7

pith:2019:RQWZASR7HBKM4AXYO54EOXG6UN

not attested not anchored not stored refs pending

Mutation of tilting bundles of tubular type

Shengfei Geng

arxiv:1904.02620 v1 · 2019-04-04 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQWZASR7HBKM4AXYO54EOXG6UN}

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	2026-05-17T23:49:23.163538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c2d904a3f3854ce02f87778475cdea368c55edb356a3ad1b4af65b7ee44aa18

Aliases

arxiv: 1904.02620 · arxiv_version: 1904.02620v1 · doi: 10.48550/arxiv.1904.02620 · pith_short_12: RQWZASR7HBKM · pith_short_16: RQWZASR7HBKM4AXY · pith_short_8: RQWZASR7

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/RQWZASR7HBKM4AXYO54EOXG6UN \
  | 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: 8c2d904a3f3854ce02f87778475cdea368c55edb356a3ad1b4af65b7ee44aa18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62cff8cecf54d537f1276ace7e1d93848f4d093eaba4c54ffb0e8e305652e739",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-04-04T15:48:01Z",
    "title_canon_sha256": "cedf01ad8b6e7767dc74ebf45aac944e3682e20d37f6bd197dd47397e4952690"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02620",
    "kind": "arxiv",
    "version": 1
  }
}