OpenTechnical

OT-2026-000099668

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099668) never changes.

Identity and time

Publication numberOT-2026-000099668 · never reused
Internal UUID01a0aea2-c976-74a0-927a-bef1b07e63a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099668
StatusPUBLIC

Content hashes

Canonical text95815191cd498117b6bc6b9c8a0b7f7c71b3ee72ea4959fec5ccfaca76e111cd
Markdown680765d2dbd6249de1de09aa17a9ff3aa0dec1a4b3d80ac949f387a501d35ca1
PDF
Publication page0ef43ee1e5cdbbca49bb3f368a7c521cde453600079418b1fe2de5af5f6f1ed6
Manifest5bf1a4b6ec3b946d14831141b418b76a39eccb057f43aebf9fb5bbd1bcee7f52

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
SignatureoZ3/TidnQ3IXQ4CyVBIujo0TClHn18xIzUpSwp5LhUtB6806/PFvh11YkJuBodxiemtnvnNUt7qPrlrPH75fBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:36.621410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099668
observed 0ef43ee1e5cdbbca49bb3f368a7c521c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.601907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099668/manifest.json
observed 5bf1a4b6ec3b946d14831141b418b76a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.583065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099668/publication.md
observed 680765d2dbd6249de1de09aa17a9ff3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.565656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099668/publication.txt
observed 95815191cd498117b6bc6b9c8a0b7f7c...
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.