OpenTechnical

OT-2026-000088725

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088725) never changes.

Identity and time

Publication numberOT-2026-000088725 · never reused
Internal UUID01a0ae9b-8f10-7e4e-ba24-76b692ca9777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088725
StatusPUBLIC

Content hashes

Canonical text5350bcdbbaa7d627c7bef7dd9f5d2cad5b8ed58c283a4ed7aad960d58688c7cd
Markdowncc434a826f64539091dc301d0d91d12d6dd3a9f86fe5d97564ae1ca1523586a8
PDF
Publication page8139c18642c327b740c5a3c161da2758f0be15ecbaaf91e4cbda1ef44eeed589
Manifest944d847faf2a4dcc3d8ce29f067c7ff50600f042f24198bb0355b544e05a1768

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
SignatureKKEk017odt2sRI7fZB1R2DOvxWYN7zaVoMjQiWPeoH1C1xb20h1HmFEmGSL9K0jNrnc5VUhw9Qe6JZRpBWKgBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:58.056372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088725
observed 8139c18642c327b740c5a3c161da2758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.036920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088725/manifest.json
observed 944d847faf2a4dcc3d8ce29f067c7ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.017656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088725/publication.md
observed cc434a826f64539091dc301d0d91d12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.000061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088725/publication.txt
observed 5350bcdbbaa7d627c7bef7dd9f5d2cad...
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.