Pith Number

pith:HRIGSLDA

pith:2026:HRIGSLDA4JMHV2BGIXTN6UZZYX

not attested not anchored not stored refs pending

TAMP-OS: An Open-Source Workflow for Tactile 3D-Printable Lithographs

Abigale Stangl, Andrew K. Schulz, Gunther Richter, Karly E. Cohen, Natalia Gonzalez-Vazquez, Robert Faulkner, Victoria Gamez

arxiv:2603.16801 v2 · 2026-03-17 · cs.GR · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRIGSLDA4JMHV2BGIXTN6UZZYX}

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	2026-05-27T01:05:46.779847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c50692c60e2587ae82645e6df5339c5e3cda92d7cde5231dabf10d629c246de

Aliases

arxiv: 2603.16801 · arxiv_version: 2603.16801v2 · doi: 10.48550/arxiv.2603.16801 · pith_short_12: HRIGSLDA4JMH · pith_short_16: HRIGSLDA4JMHV2BG · pith_short_8: HRIGSLDA

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/HRIGSLDA4JMHV2BGIXTN6UZZYX \
  | 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: 3c50692c60e2587ae82645e6df5339c5e3cda92d7cde5231dabf10d629c246de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d6a628a13c621a9209cc7a497e3f019233b2b638e291b50339e4b24107e3158",
    "cross_cats_sorted": [
      "q-bio.TO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2026-03-17T17:05:28Z",
    "title_canon_sha256": "06a07cff0fa60b312d7cf9a536de9bb3a2cb9418f95ceb3af202982e8d09f2c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.16801",
    "kind": "arxiv",
    "version": 2
  }
}