OpenTechnical

OT-2026-000016621

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000016621) never changes.

Identity and time

Publication numberOT-2026-000016621 · never reused
Internal UUID01a0ae6e-5918-7416-a25e-30a96b09a6b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016621
StatusPUBLIC

Content hashes

Canonical textd3e3b0fc737e7933ba74d093d5dcc799f1027538c70ff8da8c9f9320a8663c34
Markdowndab8a89f4c7c5628358f8e017ee5c465d0fc0630ac79f35e01139509af3da01d
PDF
Publication pagecfc6fb9ef266f4d8bd2c3831e92cdfd7ab58489908404bb268380ca478c041ab
Manifest56d6d2ddd933f46174847a72b4dfdce346ba6544add7cbe05ce6be3905421ad3

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
SignatureTyYYtcY1fHV/vBO/q/Yf8KFt8tQ3R7F3wbyeIOC4T0e90qZ+W0PeEZm4V3b8UJZVjYT3kgQNLo5CeaOwDtZFAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:48.558440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016621
observed cfc6fb9ef266f4d8bd2c3831e92cdfd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.541622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016621/manifest.json
observed 56d6d2ddd933f46174847a72b4dfdce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.524004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016621/publication.md
observed dab8a89f4c7c5628358f8e017ee5c465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.506687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016621/publication.txt
observed d3e3b0fc737e7933ba74d093d5dcc799...
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.