OpenTechnical

OT-2026-000068857

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000068857) never changes.

Identity and time

Publication numberOT-2026-000068857 · never reused
Internal UUID01a0ae90-6dcc-7d5d-b46e-c018551d0345 · 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-2026-000068857
StatusPUBLIC

Content hashes

Canonical text3320c56b203bf3c24a6f68ab53aa549d4cc84624e72c36e6d15292c581785d44
Markdown73987a1e1f60f06654f2ba702c5ee8fafcc9ac41011143e486410b1dfd7b4574
PDF
Publication pageb165f4e001d15377be99390aeaa6de3b3c6203ba6b445d7b3929dbf745385d8a
Manifestde0e4819f27943c5e720b6e4d36619f0e9f39e18bc904eb91c6ab77db88e8eb5

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
SignatureDoBEQ6I4Hloh56HZ3slwUsNwX7mcuVk/zl6OVJfFtXX0R2fbGUFYvqZncCOsZ479GyJLDjhA7cThvQFyT0V+Cg==
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

2026-09-17T10:28:40.226405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068857
observed b165f4e001d15377be99390aeaa6de3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:40.209850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068857/manifest.json
observed de0e4819f27943c5e720b6e4d36619f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:40.190603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068857/publication.md
observed 73987a1e1f60f06654f2ba702c5ee8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:40.172737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068857/publication.txt
observed 3320c56b203bf3c24a6f68ab53aa549d...
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.