OpenTechnical

OT-2026-000069086

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069086) never changes.

Identity and time

Publication numberOT-2026-000069086 · never reused
Internal UUID01a0ae90-6dce-78ff-8f51-2a89afabdfc4 · 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-2026-000069086
StatusPUBLIC

Content hashes

Canonical text23a33ca8f34969607b419db276cf8db694409feda5a9a048a9c1c150e460000d
Markdown838fa8f3636efa23cf9ef48d1e8d3b48cb2c5b2940b0206d3f846db7ff8c1110
PDF
Publication pageae6d503b38ee98ea0b1c609471fe9b0cca7ab0803cfe3e97f446ad755402d5f5
Manifest0f9fe61fe6b4c8d253fd5a070517d953e347e9bd6d6a2ceca14b9077191a6c9e

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
SignaturegGQg9V8BRsJEBJUDIEyaf2u3ZPcKXzO35Awx0/ewjNBDF13nnLKfR5oYXYMr2LyQOpEXycuK0bpzNIZkCwTODQ==
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

2026-09-17T10:28:57.312092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069086
observed ae6d503b38ee98ea0b1c609471fe9b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.292820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069086/manifest.json
observed 0f9fe61fe6b4c8d253fd5a070517d953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.275276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069086/publication.md
observed 838fa8f3636efa23cf9ef48d1e8d3b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.257303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069086/publication.txt
observed 23a33ca8f34969607b419db276cf8db6...
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.