OpenTechnical

OT-2026-000075601

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000075601) never changes.

Identity and time

Publication numberOT-2026-000075601 · never reused
Internal UUID01a0ae94-29fd-78f0-b764-6d57d9d719d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075601
StatusPUBLIC

Content hashes

Canonical text3b34459222a8bbb52bf6319c461ae1184b7851fcd55cbfab84754201597525fa
Markdown79b86b7e8a84774cc5650c47a0022ec7cd6766c9f9f625a142d3a3800c566865
PDF
Publication pagebf28c797f934e232c6f8621a973f73946ae7b937a472fcf29637fa1b66e393f3
Manifestaaf9311a295cad856bc8d60886ba5a8afacdbe1a94f7fdb315e91f9e643bf39f

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
SignatureKI15lSeLGkk2mTxdrQwVfbHXaQPJv9enUAApaFSBVHDPE1usIN44cgzNA3AchZpS0Prr6f37M/ALyBc1UQL1Bw==
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

2026-09-17T10:13:16.050928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075601
observed bf28c797f934e232c6f8621a973f7394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:16.031297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075601/manifest.json
observed aaf9311a295cad856bc8d60886ba5a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:16.011860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075601/publication.md
observed 79b86b7e8a84774cc5650c47a0022ec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:15.989258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075601/publication.txt
observed 3b34459222a8bbb52bf6319c461ae118...
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.