OpenTechnical

OT-2026-000011347

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented 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-2026-000011347) never changes.

Identity and time

Publication numberOT-2026-000011347 · never reused
Internal UUID01a0ae6c-88fe-752f-a944-7ccc23af05f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011347
StatusPUBLIC

Content hashes

Canonical text4e8d8ff788f1d9f51f573d37c3adb2638a9036ddbf2314881ef755ddf0a9778a
Markdown62fca2a664be4563b5203a5c07023a4bc6c532b89f3c465de32422503cf9e422
PDF
Publication page331797e71a5839042f8f402da71c5b8ec37cbbc1f272031ad25f78c6b99f0a81
Manifest6033bdb7a74dde5e98ca059c4d162771451145c19a620cf42739aed2fd6f7a7b

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
SignatureT+hIvS3+8fAUIivWXysLbiTGDwtTfw5BtUnM08FidY4t+6rI9PviZXz5pLEfgST0g++k97zlVVaiGHwenUj8BQ==
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

2026-09-17T12:13:04.502228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011347
observed 331797e71a5839042f8f402da71c5b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.482588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011347/manifest.json
observed 6033bdb7a74dde5e98ca059c4d162771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.457532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011347/publication.md
observed 62fca2a664be4563b5203a5c07023a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.435540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011347/publication.txt
observed 4e8d8ff788f1d9f51f573d37c3adb263...
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.