OpenTechnical

OT-2026-000012151

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000012151) never changes.

Identity and time

Publication numberOT-2026-000012151 · never reused
Internal UUID01a0ae6d-39f4-7d95-821a-6f3729ef73f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012151
StatusPUBLIC

Content hashes

Canonical text075b1dd46667e79cdb52b913126eae3acac4d9b5d3d78f49377b122ab3b6720b
Markdown67121d4152a86bd0993d952a2cb50dda637635b83b5d34350ae90073d2eb8573
PDF
Publication pagecdc43ea2dd8df1e01386fbca668ba7538ff2e922daea6560d7b4e5c16db124a3
Manifestaa1fddb8b79308a283171c454734fd5e71e428182af33d4aa9609733c0f4438e

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
Signature+O26Aj1DJpUdJ1cbxye1Jlo0RdTrGX9XibLcaq67mjg8YVGqYFU+aFq48laisb2cS9Wj1Suv5ZI8fBPov/L0Dg==
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

2026-09-17T12:11:02.827331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012151
observed cdc43ea2dd8df1e01386fbca668ba753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.805741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012151/manifest.json
observed aa1fddb8b79308a283171c454734fd5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.778706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012151/publication.md
observed 67121d4152a86bd0993d952a2cb50dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.751770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012151/publication.txt
observed 075b1dd46667e79cdb52b913126eae3a...
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.