OpenTechnical

OT-2026-000026551

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000026551) never changes.

Identity and time

Publication numberOT-2026-000026551 · never reused
Internal UUID01a0ae71-f4a9-7342-be77-a9c8141e70ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026551
StatusPUBLIC

Content hashes

Canonical textf8b90da7ddb31d27df8fca339a858bb91fa16ea383bb90061ad77a565172b0bf
Markdown1e6a38cf2cbc0f552ce461d26025ee21e616bada72d33f5022b42d79fe6efe0f
PDF
Publication pagefb2171c8911bd09113f001f16fe36119b15939cdd6c909c8827ee47a879be7dc
Manifestfa49a57e1474e397d6c4a93e471c0df698c9391487265118c5ad289e339d33aa

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
Signatured/ljeYX4JHXrGZZiwPkCE392wwBlsQL3Mu5S4CtOLiqZC9H2reK4s1mTyFzIJJCQC9eN1/NcWnERH+xx3znxCQ==
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

2026-09-17T11:44:40.853835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026551
observed fb2171c8911bd09113f001f16fe36119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.836896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026551/manifest.json
observed fa49a57e1474e397d6c4a93e471c0df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.820193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026551/publication.md
observed 1e6a38cf2cbc0f552ce461d26025ee21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.803356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026551/publication.txt
observed f8b90da7ddb31d27df8fca339a858bb9...
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.