OpenTechnical

OT-2026-000044788

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000044788) never changes.

Identity and time

Publication numberOT-2026-000044788 · never reused
Internal UUID01a0ae7c-911b-715e-af9a-c961ff401ce8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044788
StatusPUBLIC

Content hashes

Canonical text9536b95ff238fd258bdc52a81c04a727e6067d06a7196d02c17336ccaf202844
Markdown633fe2fbcc073fff102d1d160f3c112e46a7399a1f9585238ae126191a006eb5
PDF
Publication page74f7ec29479d650f003d595c7bd01742e3091f1913de2534eddb5fafee0634a9
Manifest5e6c45e447397bd9a696937e2a66d1d31e0f691b2e9c51d27467bdfef721ee40

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
SignaturesVxEjUw9ZaN3Yp07klmAxOA/zg+rQ+0c/p12MzHhtT/QFZt2PFy109esq2bQBOP9xKPGKdcZ8gSrJC1s0/7NBQ==
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

2026-09-17T11:11:24.917581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044788
observed 74f7ec29479d650f003d595c7bd01742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.899951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044788/manifest.json
observed 5e6c45e447397bd9a696937e2a66d1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.881383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044788/publication.md
observed 633fe2fbcc073fff102d1d160f3c112e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.861976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044788/publication.txt
observed 9536b95ff238fd258bdc52a81c04a727...
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.