OpenTechnical

OT-2026-000011858

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000011858) never changes.

Identity and time

Publication numberOT-2026-000011858 · never reused
Internal UUID01a0ae6d-1941-7bec-84d6-6a8f6837a560 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011858
StatusPUBLIC

Content hashes

Canonical textff2c83c6e0fc64f7b6ff9421001b962bcd36ed26f1f957b1ef7725f7c28d19e7
Markdown94717f48ebeeb46205c9f33a059ec6d5ea7e137d31da68954861a42f694f13d4
PDF
Publication pagece224a7bf186ca72f0a557da48773be61db118a78ea40c87d798f845fd495cee
Manifest573545beea3a9f1b4e6be10c11c31722c7b3508d2ac394ae69989a485e08f898

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
Signature3cvEv2VISH1cFZVkMxWha8d74uWo8SULB0LMWnK+F2MuRg42ArCknibOZ+RjTeSURF5rMeiiJ4PbgUYTKBADDA==
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

2026-09-17T12:12:36.146738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011858
observed ce224a7bf186ca72f0a557da48773be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:36.125760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011858/manifest.json
observed 573545beea3a9f1b4e6be10c11c31722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:36.107258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011858/publication.md
observed 94717f48ebeeb46205c9f33a059ec6d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:36.087270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011858/publication.txt
observed ff2c83c6e0fc64f7b6ff9421001b962b...
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.