OpenTechnical

OT-2026-000022702

Publication integrity record

Foam pad vacuum gripper, three stage ejector, sustained blow-off before set-down

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-2026-000022702) never changes.

Identity and time

Publication numberOT-2026-000022702 · never reused
Internal UUID01a0ae70-46e9-707a-b393-6f6d2f41fba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022702
StatusPUBLIC

Content hashes

Canonical textf131ca6ab15397a75d60169e5cdb0896fc4a06c754868224c09a43ec58dbe258
Markdown0c68378c25e095fff7c7be0146106b52128c912736d452a9573979461aa57776
PDF
Publication pageef8839bacdd48d8373e47cdb3df20aa560cad6439e179c074938b02029dbd4cf
Manifestfe72996e4286a7137d07a37e79ea719fa54330045155d2aa55b1e2224df34224

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
SignatureGGhtYrUGcgpqgkkMKoRiIZi5FlLSG9wBZ82iIsdCv89ObclqaJx/8z+GvLW9At/0lRLOQToIZaBDM13M/VnCCQ==
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

2026-09-17T11:52:11.571178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022702
observed ef8839bacdd48d8373e47cdb3df20aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:11.551050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022702/manifest.json
observed fe72996e4286a7137d07a37e79ea719f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:11.528541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022702/publication.md
observed 0c68378c25e095fff7c7be0146106b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:11.504407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022702/publication.txt
observed f131ca6ab15397a75d60169e5cdb0896...
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.