Pith Number

pith:R7A3JQGH

pith:2018:R7A3JQGHTH2O4E4FIWA23Y2Z3C

not attested not anchored not stored refs pending

Computational time-of-flight diffuse optical tomography

Alessandro Boccolini, Ashley Lyons, Audrey Repetti, Daniele Faccio, Francesco Tonolini, Robert Henderson, Yves Wiaux

arxiv:1808.01135 v3 · 2018-08-03 · physics.optics · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7A3JQGHTH2O4E4FIWA23Y2Z3C}

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	2026-07-05T00:40:22.984112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc1b4c0c799f4ee13854581ade359d8a5ec55baa3c13a82ecb49b41ed86350d

Aliases

arxiv: 1808.01135 · arxiv_version: 1808.01135v3 · doi: 10.48550/arxiv.1808.01135 · pith_short_12: R7A3JQGHTH2O · pith_short_16: R7A3JQGHTH2O4E4F · pith_short_8: R7A3JQGH

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/R7A3JQGHTH2O4E4FIWA23Y2Z3C \
  | 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: 8fc1b4c0c799f4ee13854581ade359d8a5ec55baa3c13a82ecb49b41ed86350d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39a60a619a6966bb8e09b1a0fbb57d40e3ddd1e06fe78bc61685b6dc0bed89b1",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-08-03T09:46:42Z",
    "title_canon_sha256": "8297f45e20aa09c9338d8ffd9891200a8fbd4c79b5a55e7ef0a9270a045c2ff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01135",
    "kind": "arxiv",
    "version": 3
  }
}