OpenTechnical

OT-2026-000069091

Publication integrity record

Three bellows 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-2026-000069091) never changes.

Identity and time

Publication numberOT-2026-000069091 · never reused
Internal UUID01a0ae90-6dce-74f0-a520-455ed7b47a13 · 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-2026-000069091
StatusPUBLIC

Content hashes

Canonical text771f54b1b312efa79c0810b0e9689531e56b88a09d0b091528b9037a63057fcd
Markdown7b1985381535913529e7bca4b79314af32c7950c3dcadb150b01f4178c6bb6f5
PDF
Publication page1c22bdc1b3b305161c2386c435ddc48a724de3e6d76a2d0328c15d93ce71dd3c
Manifest2ba6aa7e5d655b26fee64e5b8fcb999e5cd3b4e64f22ea9678b153776eb4e3b3

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
SignaturedzZlJ7KzouYKXaMoN8gqmTkljiYqKFHTTwJeJ+iaMVvSVO/q/DJkIo/jVX3b6lTVmaIhucDoW0IvXcM5+GcbCQ==
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

2026-09-17T10:28:57.709867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069091
observed 1c22bdc1b3b305161c2386c435ddc48a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.693043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069091/manifest.json
observed 2ba6aa7e5d655b26fee64e5b8fcb999e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.675245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069091/publication.md
observed 7b1985381535913529e7bca4b79314af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.659301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069091/publication.txt
observed 771f54b1b312efa79c0810b0e9689531...
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.