OpenTechnical

OT-2026-000068716

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000068716) never changes.

Identity and time

Publication numberOT-2026-000068716 · never reused
Internal UUID01a0ae90-2483-76d5-956e-400b17e4711c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068716
StatusPUBLIC

Content hashes

Canonical textce89a827334d7831a4b9f37bf1ec43c2e4cb34fcecec18ae86021858860801f2
Markdownd986b5d92eb4e5e877aabd5d77f0665081f13c8cb0412eb08faa8809844a73ad
PDF
Publication page854a91a0ff91ff68594093ba850593ae0836a3424003ff2e3436f1d225828778
Manifestb91d3bb778263acc7858b959836c3fcb29baf885ee909c87fa0a5f2f5ee0dd77

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
SignatureKicc3yCaZ/kO4Vv5gIFrQfyWHYx3X0btWOgn+hYImT6WqYKc+fITuc4A/iMxxWJ1SyCc2JMO2NkCt0pJiKCyCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:55.599484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068716
observed 854a91a0ff91ff68594093ba850593ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.581902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068716/manifest.json
observed b91d3bb778263acc7858b959836c3fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.564953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068716/publication.md
observed d986b5d92eb4e5e877aabd5d77f06650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.547188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068716/publication.txt
observed ce89a827334d7831a4b9f37bf1ec43c2...
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.