OpenTechnical

OT-2026-000026888

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000026888) never changes.

Identity and time

Publication numberOT-2026-000026888 · never reused
Internal UUID01a0ae72-3452-7ef0-adb1-0e8a905540ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026888
StatusPUBLIC

Content hashes

Canonical textc4354f4cfebf837cccb2cd34cda59a327c6a510f642f662a236821a9194a0d68
Markdown933c0c47962bb03befb11163150a65a326332a5e6cf9bb97a26f0c583afda95e
PDF
Publication pagea1742b15c98b8898f5abd7bfb99d6cf6566040e7c231d8e30639a6eec7d2166e
Manifestba2af6fe5407c24ca189924208469186f1aeb4e4ae4cd10b7210570cbf76af16

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
Signature/LzB/BhBeCDy1Xi3kZuonv1cPmZ3H+Uq+noI4NUseNMAbYUpdz5hfpu/XlNB1tgi200awHR1o335nT68VRZ/AQ==
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

2026-09-17T11:43:29.690442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026888
observed a1742b15c98b8898f5abd7bfb99d6cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.675297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026888/manifest.json
observed ba2af6fe5407c24ca189924208469186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.658854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026888/publication.md
observed 933c0c47962bb03befb11163150a65a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.641143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026888/publication.txt
observed c4354f4cfebf837cccb2cd34cda59a32...
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.