OpenTechnical

OT-2026-000022923

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000022923) never changes.

Identity and time

Publication numberOT-2026-000022923 · never reused
Internal UUID01a0ae70-46eb-7bad-ad8f-23089366e1ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022923
StatusPUBLIC

Content hashes

Canonical text0ba9c028b6f1d6abbbbd4c06d5259f1a0fb78753f9900abacdbcc76445b9310c
Markdown746718fce340142a689a9d91266cca027d1bfc478fc599f1dcf59c2138e37831
PDF
Publication pageda51a1f96e77fa80f73bcf162cbe442c3f43a6c1f845a1c93ccf1c4387fcd98c
Manifesta8e0a3a5f47a6cdcab5d39a5f2778ec5045d146c4f7767a2669ccb4a793981e4

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
Signature6s37QssAcDqUEeiu+JGtSWukILrVQ5d5W6ROGyDXA4ouonzM3B2XuF0Iv/cvEVFtYTfAVZbbjX10hLLnPemXCA==
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

2026-09-17T11:52:30.038380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022923
observed da51a1f96e77fa80f73bcf162cbe442c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.020074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022923/manifest.json
observed a8e0a3a5f47a6cdcab5d39a5f2778ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.004495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022923/publication.md
observed 746718fce340142a689a9d91266cca02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.987721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022923/publication.txt
observed 0ba9c028b6f1d6abbbbd4c06d5259f1a...
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.