OpenTechnical

OT-2026-000023396

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000023396) never changes.

Identity and time

Publication numberOT-2026-000023396 · never reused
Internal UUID01a0ae70-7268-7da1-a565-abde6481675c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023396
StatusPUBLIC

Content hashes

Canonical text8f18742bf726b34a53f6c185da407105b60e8a28e9f0c671f51deef91c83eacb
Markdown1eaeff87bf4f93387c5f8a4f1363b50764f3d0ddc1efacbbe7ba15574115d48f
PDF
Publication page28e8ead2894a5aa37f8c8c6f2b7291474fe177715cdb96f75b6a51467720368e
Manifeste302dac816ba09f1a5a00e9f3117c197bcc09405e809902200c29803fd943e4e

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
SignatureW3SFtLqedqm20EF3wBfhe31majYey3JQKwZxiTxUtgrL3o5/6c74GY1/rJyvKGYeqLQeAwLeIaO38v45tVZWCQ==
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

2026-09-17T11:51:35.999000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023396
observed 28e8ead2894a5aa37f8c8c6f2b729147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.979228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023396/manifest.json
observed e302dac816ba09f1a5a00e9f3117c197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.960793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023396/publication.md
observed 1eaeff87bf4f93387c5f8a4f1363b507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.943157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023396/publication.txt
observed 8f18742bf726b34a53f6c185da407105...
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.