Pith Number

pith:HTUY6T4Q

pith:2016:HTUY6T4QVNRGB2BDFIZC2AFRZC

not attested not anchored not stored refs pending

Lines on quartic surfaces

Alex Degtyarev, Al\.i S\.inan Sert\"oz, Ilia Itenberg

arxiv:1601.04238 v1 · 2016-01-17 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTUY6T4QVNRGB2BDFIZC2AFRZC}

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	2026-05-18T00:42:13.322804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ce98f4f90ab6260e8232a322d00b1c88824eeda21f8a0dc633a6d50b7996851

Aliases

arxiv: 1601.04238 · arxiv_version: 1601.04238v1 · doi: 10.48550/arxiv.1601.04238 · pith_short_12: HTUY6T4QVNRG · pith_short_16: HTUY6T4QVNRGB2BD · pith_short_8: HTUY6T4Q

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/HTUY6T4QVNRGB2BDFIZC2AFRZC \
  | 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: 3ce98f4f90ab6260e8232a322d00b1c88824eeda21f8a0dc633a6d50b7996851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28d8a6332ea4f4a25b7749f601a7c658cd0e38204aa9214ca478fe10feee3574",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-01-17T02:14:56Z",
    "title_canon_sha256": "21f750b0aae22daf12195a27eb6d94fa019906c07f9ad374d0f8133dd7679b7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04238",
    "kind": "arxiv",
    "version": 1
  }
}