OpenTechnical

OT-2026-000086525

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000086525) never changes.

Identity and time

Publication numberOT-2026-000086525 · never reused
Internal UUID01a0ae9a-2c98-7a3a-a59b-a87f825572a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086525
StatusPUBLIC

Content hashes

Canonical text63f9ee5582598ca5ad9a684bae2f9ca9ea274dc7a74734307e6ec8068a537373
Markdowne2def20d772a1c3366e497543e51869085175de6290eb0ea7f304f6927543e85
PDF
Publication page8343d2c72f3d180aa69de3e6e13ceb6f71ae42009d3813fc9513a1000899fb52
Manifestc0bd60cf08a8cc2cd5e9bda99d301a93c4dc561ee46e064e1b6239158867aa3d

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
Signature32qxuqTCaUQTPHC8O067AJP5YBcZHncv6YMa2mcUQf0L8DpbAnCU+KM0V7HMtxDI8Mlbub5KfVLzGECD/GN4CQ==
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

2026-09-17T09:52:20.849598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086525
observed 8343d2c72f3d180aa69de3e6e13ceb6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.832264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086525/manifest.json
observed c0bd60cf08a8cc2cd5e9bda99d301a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.814720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086525/publication.md
observed e2def20d772a1c3366e497543e518690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.796392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086525/publication.txt
observed 63f9ee5582598ca5ad9a684bae2f9ca9...
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.