OpenTechnical

OT-2026-000095725

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000095725) never changes.

Identity and time

Publication numberOT-2026-000095725 · never reused
Internal UUID01a0ae9f-fac5-7528-a6f0-982f5634dd95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095725
StatusPUBLIC

Content hashes

Canonical textb0626c5aa8a10837993b0a2b3908f8d81a6ec447a5d4b2e753d3fbb31b2550ee
Markdown03a5f9bbccf4c9aa824d89b73f2748f16c56cd660f2f8cadddc2cf2713148e9f
PDF
Publication page98e12260a987ed1623bc37a18baf1471080f66c500eadf8b32acc1ed223df5ac
Manifeste9bf8fc400c2fbec4a2a826d8868023e236b0cfbbaa3cea7c5e55344da43f323

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
Signaturef3vD6eqqm8UTnEetq8OX8LJnde1h7DbipEPDPQ3mVfPzU8AvMf/s3ZwwuKiLr3UGzg5bkb1hFe7Ipc0XaJi+BQ==
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

2026-09-17T09:35:17.105396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095725
observed 98e12260a987ed1623bc37a18baf1471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.085388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095725/manifest.json
observed e9bf8fc400c2fbec4a2a826d8868023e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.066932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095725/publication.md
observed 03a5f9bbccf4c9aa824d89b73f2748f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.049913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095725/publication.txt
observed b0626c5aa8a10837993b0a2b3908f8d8...
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.