Pith Number

pith:OTLOONX7

pith:2018:OTLOONX7VTCVAHPAS5TF5LMBM7

not attested not anchored not stored refs pending

DOTIFS: spectrograph optical and opto-mechanical design

Amitesh Omar, A. N. Ramaprakash, Chaitanya V. Rajarshi, Changbom Park, Deepa Modi, Haeun Chung, Pravin A. Chordia, Pravin Khodade, Sabyasachi Chattopadhyay, Sungwook E. Hong, Swara Ravindranath, Vishal Joshi, Yong-Sun Park

arxiv:1810.03621 v1 · 2018-10-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OTLOONX7VTCVAHPAS5TF5LMBM7}

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	2026-05-18T00:03:44.834177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74d6e736ffacc5501de097665ead8167f17a81a9da76828c78dd363576bac0ce

Aliases

arxiv: 1810.03621 · arxiv_version: 1810.03621v1 · doi: 10.48550/arxiv.1810.03621 · pith_short_12: OTLOONX7VTCV · pith_short_16: OTLOONX7VTCVAHPA · pith_short_8: OTLOONX7

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/OTLOONX7VTCVAHPAS5TF5LMBM7 \
  | 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: 74d6e736ffacc5501de097665ead8167f17a81a9da76828c78dd363576bac0ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f1271bf186365a33e19e62ef7aa3c6e471a135a8b6ee021473c68cca72a6a3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-10-08T18:00:07Z",
    "title_canon_sha256": "8ce39a3cc11a5031a1b0c84e9838aa1478efcd595c5442496e3a4a622c1b1e3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03621",
    "kind": "arxiv",
    "version": 1
  }
}