Pith Number

pith:DVTQVYQI

pith:2016:DVTQVYQI27BSBT7FLJGV5ILLP2

not attested not anchored not stored refs pending

On a class of inverse problems for a heat equation with involution perturbation

Berikbol T. Torebek, Mokhtar Kirane, Nasser Al-Salti

arxiv:1612.01419 v2 · 2016-12-05 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DVTQVYQI27BSBT7FLJGV5ILLP2}

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	2026-05-18T00:36:51.406566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d670ae208d7c320cfe55a4d5ea16b7e80074d640885ae8d625b95a39ffdaa88

Aliases

arxiv: 1612.01419 · arxiv_version: 1612.01419v2 · doi: 10.48550/arxiv.1612.01419 · pith_short_12: DVTQVYQI27BS · pith_short_16: DVTQVYQI27BSBT7F · pith_short_8: DVTQVYQI

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/DVTQVYQI27BSBT7FLJGV5ILLP2 \
  | 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: 1d670ae208d7c320cfe55a4d5ea16b7e80074d640885ae8d625b95a39ffdaa88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ee72244bd17cc20fcd36513c7aaf6c472d71228947ff3d529f6f51c7b861116",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-12-05T16:24:23Z",
    "title_canon_sha256": "bff55366292f155df4231798c4354e2dc86f22a80e899aef778b18c967c02729"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01419",
    "kind": "arxiv",
    "version": 2
  }
}