OpenTechnical

OT-2026-000045571

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000045571) never changes.

Identity and time

Publication numberOT-2026-000045571 · never reused
Internal UUID01a0ae7d-8f02-7fbe-ab2f-c8c2638ce853 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045571
StatusPUBLIC

Content hashes

Canonical textaa74446b3526a35c0b14d11cb878c978d8fa005a796b482e6ec26f67160d50f0
Markdown12b71134a8eba042cf48048f228dcf3be763e75b70f59b83c1e12d435e23e925
PDF
Publication pagea2df03842f08fb330ca81878f422bff4d69f92de758695ab3f1626e41fbf9eb1
Manifest9b8993d072761d3478813e17eb2af09272e528c159dcc79bdf6de30f6d33a8f2

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
SignatureARt6gB/R/jNijROxTUmQJgwAKxOo/5FWlh0TDV2a0s+AO2YPir3/ZeudQU2dRBIwzJof5VN/R8hAtvEzYP36AQ==
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

2026-09-17T11:09:19.969669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045571
observed a2df03842f08fb330ca81878f422bff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.950908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045571/manifest.json
observed 9b8993d072761d3478813e17eb2af092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.932943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045571/publication.md
observed 12b71134a8eba042cf48048f228dcf3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:19.868167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045571/publication.txt
observed aa74446b3526a35c0b14d11cb878c978...
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.