OpenTechnical

OT-2026-000100196

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000100196) never changes.

Identity and time

Publication numberOT-2026-000100196 · never reused
Internal UUID01a0aea3-3052-7a20-9580-f8c56fc58437 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100196
StatusPUBLIC

Content hashes

Canonical textf34e539f7538e5ad01b50e3e48e02c73fcc3fc950bd2c019fbcecbc5346af565
Markdown868dbe2b053abda05af42c89deeec8a48742a3216920f9b179a521fd7506795e
PDF
Publication pagecafdd5ab4149c32b2a866a8ddbafd6d8d2c885fdf276722a4d1d927b31896518
Manifest20b6a61828c0987355530863eb8117653fff6b167e54abd088d0ba27b1397e19

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewWaf8Vir98uYMbU4ewWiruH5SaoGmwdO5kGaEKiFxGnFnQX2dxwXOMP81EPU+9xJHA0Ll0D0CMkqFRzB2XryCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:54.971348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100196
observed cafdd5ab4149c32b2a866a8ddbafd6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.953565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100196/manifest.json
observed 20b6a61828c0987355530863eb811765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.934755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100196/publication.md
observed 868dbe2b053abda05af42c89deeec8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.915843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100196/publication.txt
observed f34e539f7538e5ad01b50e3e48e02c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.