OpenTechnical

OT-2026-000069119

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000069119) never changes.

Identity and time

Publication numberOT-2026-000069119 · never reused
Internal UUID01a0ae90-6dce-7f05-9ee4-d58ad8eaca90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069119
StatusPUBLIC

Content hashes

Canonical text72db4641daf5e58bbc4ef31d0d054991fa2d1191f0605faaa975f3a89fa8bd8e
Markdown96be0d6613937337d270e76032c8254d68f4ecafe13afd221fe993740d7368b0
PDF
Publication page49782ecd198c7eb95b349ddfb2d38ebb36786cacabef5cbd723630df70a29857
Manifest6d37e999cf0d158b14a7b72da97dea70390720f753d19615ddaa14ea0720d6f7

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
SignatureGmv/urvQsDzsFawp6x4uM61rhrTxtfQi+kdusEauuHxj4qfibnCf6a/97fkaBPMnP4aP28v6kS44b5rQH1dHCQ==
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

2026-09-17T10:28:59.832000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069119
observed 49782ecd198c7eb95b349ddfb2d38ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.814714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069119/manifest.json
observed 6d37e999cf0d158b14a7b72da97dea70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.797134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069119/publication.md
observed 96be0d6613937337d270e76032c8254d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.778450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069119/publication.txt
observed 72db4641daf5e58bbc4ef31d0d054991...
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.