Pith Number

pith:7JRR2LVN

pith:2018:7JRR2LVN6LI6KSMLDCOCWBXRV2

not attested not anchored not stored refs pending

The infrared imaging spectrograph (IRIS) for TMT: electronics-cable architecture

A.C. Trapp, Chris Johnson, Eric Chisholm, James Larkin, Jennifer Dunn, Ken Magnone, Ryuji Suzuki, Tim Hardy, Timothee Greffe

arxiv:1808.07853 v1 · 2018-08-23 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JRR2LVN6LI6KSMLDCOCWBXRV2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:07:24.136765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa631d2eadf2d1e5498b189c2b06f1aea2d01c4bb052fa75bfa46384bc8e6f94

Aliases

arxiv: 1808.07853 · arxiv_version: 1808.07853v1 · doi: 10.48550/arxiv.1808.07853 · pith_short_12: 7JRR2LVN6LI6 · pith_short_16: 7JRR2LVN6LI6KSML · pith_short_8: 7JRR2LVN

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/7JRR2LVN6LI6KSMLDCOCWBXRV2 \
  | 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: fa631d2eadf2d1e5498b189c2b06f1aea2d01c4bb052fa75bfa46384bc8e6f94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcc35ca17330933da2dff3dab0d35652fd2f7ed51f48a4c43859e5264e12e9d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-23T17:24:57Z",
    "title_canon_sha256": "3b5982c0b598faec5bd19f0eea5d8884c9678f2602a4510284ccf92dc12a85ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07853",
    "kind": "arxiv",
    "version": 1
  }
}