Pith Number

pith:PTKLTUI5

pith:2017:PTKLTUI54H2RYBBRJCVHII7HRV

not attested not anchored not stored refs pending

Z-checker: A Framework for Assessing Lossy Compression of Scientific Data

Dingwen Tao, Franck Cappello, Hanqi Guo, Sheng Di, Zizhong Chen

arxiv:1707.09320 v2 · 2017-06-12 · cs.OH · astro-ph.IM · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PTKLTUI54H2RYBBRJCVHII7HRV}

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	2026-05-18T00:30:50.563878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cd4b9d11de1f51c043148aa7423e78d4b107824a05e8fd0b68e20fbb54f28b1

Aliases

arxiv: 1707.09320 · arxiv_version: 1707.09320v2 · doi: 10.48550/arxiv.1707.09320 · pith_short_12: PTKLTUI54H2R · pith_short_16: PTKLTUI54H2RYBBR · pith_short_8: PTKLTUI5

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/PTKLTUI54H2RYBBRJCVHII7HRV \
  | 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: 7cd4b9d11de1f51c043148aa7423e78d4b107824a05e8fd0b68e20fbb54f28b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2bbf90cdef5f707655b01adbed18e1dbcd2f49e0c17a27a616eed7ba9fbaeb3",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2017-06-12T18:09:33Z",
    "title_canon_sha256": "1afd5c9acdd871740bd87f9db5ac28d20c3dd1bcf21f5bb32b079bd681b853b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09320",
    "kind": "arxiv",
    "version": 2
  }
}