Pith Number

pith:VAQHRTTR

pith:2014:VAQHRTTREV354EO4I2TWF77PE5

not attested not anchored not stored refs pending

Observability inequalities from measurable sets for some evolution equations

Can Zhang, Gengsheng Wang

arxiv:1406.3422 v1 · 2014-06-13 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VAQHRTTREV354EO4I2TWF77PE5}

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	2026-05-18T02:49:46.722228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a82078ce712577de11dc46a762ffef274f0ee406763e79c86acc466509728887

Aliases

arxiv: 1406.3422 · arxiv_version: 1406.3422v1 · doi: 10.48550/arxiv.1406.3422 · pith_short_12: VAQHRTTREV35 · pith_short_16: VAQHRTTREV354EO4 · pith_short_8: VAQHRTTR

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/VAQHRTTREV354EO4I2TWF77PE5 \
  | 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: a82078ce712577de11dc46a762ffef274f0ee406763e79c86acc466509728887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfe75ce1c0b9e8f0f8fff35256edd1caea84f77d860393bead4d51d8bf6abf63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-06-13T05:14:27Z",
    "title_canon_sha256": "a08b6021304998714d2832b650d528199de75e76a31f9bac05998b6a321775b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3422",
    "kind": "arxiv",
    "version": 1
  }
}