OpenTechnical

OT-2026-000086222

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, sustained 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-2026-000086222) never changes.

Identity and time

Publication numberOT-2026-000086222 · never reused
Internal UUID01a0ae99-e82c-70bb-bd5d-19c48661d53c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086222
StatusPUBLIC

Content hashes

Canonical text0d695b9bfdb6be38d1831c7c51da1db34d867937ffcb0607ece9f2162dfb3af5
Markdowndb1172ad0562dee7c9b9ef01d24a942ae8d133e8e655b5f0c46d7688117e72ee
PDF
Publication pagecf85f3443ed5b52f0460f63510e78c31d2260fab3d34b0cc795f23344f12bb72
Manifest486c1d3b790b4d58df9fdea6694f73902ca3506011d9c95e87d4511605121fb0

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
SignatureZfpu/K41ESkQ45w7nj4nH85jNqXPQ0/DByaNSMBt4D1qne10x8feylTqrs6zOViXUBJWpFJivqJ66yy/uQX8Cw==
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

2026-09-17T09:53:54.431421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086222
observed cf85f3443ed5b52f0460f63510e78c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.414314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086222/manifest.json
observed 486c1d3b790b4d58df9fdea6694f7390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.397395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086222/publication.md
observed db1172ad0562dee7c9b9ef01d24a942a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.380349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086222/publication.txt
observed 0d695b9bfdb6be38d1831c7c51da1db3...
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.