OpenTechnical

OT-2026-000068692

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single 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-2026-000068692) never changes.

Identity and time

Publication numberOT-2026-000068692 · never reused
Internal UUID01a0ae90-2483-7712-9445-9caa43f56188 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068692
StatusPUBLIC

Content hashes

Canonical textb9067182c170a0cc7d3c63bf7e4e1fdd04c240d965662a42f062e76b69615046
Markdown1fea8b9ee52ff8452f5b37feb2113c8552d514a9fef39561effb715a6d7cb2a9
PDF
Publication pagec7d38f51d4308891f29699e4d0b7c752e0320f7f225858eb65023fad60a0ee6a
Manifest94402d7b574a91f4237fa844886c017f1b0c1f8009dc7b0b99349067271cd45f

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
Signaturee/4/TfXMNBGsZlRICdYGeYEau2Yn1Eb4cYB170IcppqAFDrWdMVOkr9DIxLRTe2An5tACaQGcKQdIkhsyEMMCw==
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

2026-09-17T10:29:53.958419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068692
observed c7d38f51d4308891f29699e4d0b7c752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.939400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068692/manifest.json
observed 94402d7b574a91f4237fa844886c017f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.921134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068692/publication.md
observed 1fea8b9ee52ff8452f5b37feb2113c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.903026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068692/publication.txt
observed b9067182c170a0cc7d3c63bf7e4e1fdd...
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.