OpenTechnical

OT-2026-000088017

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000088017) never changes.

Identity and time

Publication numberOT-2026-000088017 · never reused
Internal UUID01a0ae9b-1aa6-73fe-86cb-f1daef83b605 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088017
StatusPUBLIC

Content hashes

Canonical texta489882eb8619dd5da3fbe9d28f657cb5cf4d73167d074181d3c157e89f44aef
Markdown5bca81c2001f8370ed0fd4e71b51944ab1d0a98a6dacbc0bc71acc8f5e630710
PDF
Publication page34fc719c591c8b7e571168068dbd1da168be0e92316ff7d625c45f3b383ae887
Manifest82bcf51336f415af972ce8c54e9195e9bbee853323babf350c6e54cf12cf81d4

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
Signature+jrGsM0l3gdyZCN/MFuahRh1nfNkIRHTyjsmRochTran5R4cZpkMdA8CBDcV+6d1FrMenJ7Ip9V6xhk8dVyECA==
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

2026-09-17T09:49:24.063077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088017
observed 34fc719c591c8b7e571168068dbd1da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.042831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088017/manifest.json
observed 82bcf51336f415af972ce8c54e9195e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.022384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088017/publication.md
observed 5bca81c2001f8370ed0fd4e71b51944a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.004331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088017/publication.txt
observed a489882eb8619dd5da3fbe9d28f657cb...
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.