OpenTechnical

OT-2026-000011281

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, pulsed 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-2026-000011281) never changes.

Identity and time

Publication numberOT-2026-000011281 · never reused
Internal UUID01a0ae6c-5410-7a6f-8376-fd6c3b11c0b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011281
StatusPUBLIC

Content hashes

Canonical text48f3aab8c1e6363dac66742a03e561dcf42f5fab26d22c688038ede2e90d8c44
Markdown5a5dbd4064185c59beffde4338f9e0ad15f3c3a7157614868b5d8b81edb74232
PDF
Publication page24039ec67406009dea0536bf0b3ecbecec27a2edaa6c22411a90dce14d61e0c0
Manifesta89f6dcf50512ff123dfd8d430afe1698e0c21b59ecf1ddc5e71d7980fa9967d

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
SignatureX0wIeTOZU2FwKyiiH7wubGR18cyXqZ2s7SHFSCiynbAS4ExyIWrITd7Qyh/bwYZVvjcnzHB1EKh0z+iaD1EpDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:15.324180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011281
observed 24039ec67406009dea0536bf0b3ecbec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.306073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011281/manifest.json
observed a89f6dcf50512ff123dfd8d430afe169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.286751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011281/publication.md
observed 5a5dbd4064185c59beffde4338f9e0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.268479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011281/publication.txt
observed 48f3aab8c1e6363dac66742a03e561dc...
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.