Pith Number

pith:6B7Q2M3B

pith:2018:6B7Q2M3BRB5ZRQV5UAIQ22EEPV

not attested not anchored not stored refs pending

A continuous adjoint for photo-acoustic tomography of the brain

Ashkan Javaherian, Sean Holman

arxiv:1802.04054 v1 · 2018-02-12 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6B7Q2M3BRB5ZRQV5UAIQ22EEPV}

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	2026-05-18T00:11:38.305227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f07f0d3361887b98c2bda0110d68847d408025c41284b949075c6de149a71009

Aliases

arxiv: 1802.04054 · arxiv_version: 1802.04054v1 · doi: 10.48550/arxiv.1802.04054 · pith_short_12: 6B7Q2M3BRB5Z · pith_short_16: 6B7Q2M3BRB5ZRQV5 · pith_short_8: 6B7Q2M3B

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/6B7Q2M3BRB5ZRQV5UAIQ22EEPV \
  | 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: f07f0d3361887b98c2bda0110d68847d408025c41284b949075c6de149a71009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2af086c2205eeb2c1be3b3c5ea391b679e6a10a9e36621e6714f7e9c5015b2fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-12T14:14:37Z",
    "title_canon_sha256": "adfca67984314eee40ea579cd5e0503493083c02e6dff0c11a0f65607447edb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04054",
    "kind": "arxiv",
    "version": 1
  }
}