OpenTechnical

OT-2026-000086450

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000086450) never changes.

Identity and time

Publication numberOT-2026-000086450 · never reused
Internal UUID01a0ae9a-2c97-793e-8a7a-06497b8a1e30 · 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-2026-000086450
StatusPUBLIC

Content hashes

Canonical text30f9ec8e432faa1f9099bff7318436a5293558da22d6164505edc2b797066ad8
Markdown2eb5161289d8201e1dcad1dec705793ad7ad41a25e3c1af2f39daf91581e960c
PDF
Publication pageaf9bde2199d09f0ab0ed9975d7a84b88e1db1d3d4f5cbbd9bcf7b361ac496d6a
Manifest94ae19fedc5400d83d3028faf33d073f3d98f9c6caede999fb139c61531ac407

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
Signaturevrof9s/hlpuy65zUw3MiyMqGa3GkbTTBaSTNIbqTYaDkpQLRO0XMunkLMKdska4HQdJ8cGVUwztmdZkvePmDAA==
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

2026-09-17T09:52:15.134279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086450
observed af9bde2199d09f0ab0ed9975d7a84b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.118130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086450/manifest.json
observed 94ae19fedc5400d83d3028faf33d073f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.101500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086450/publication.md
observed 2eb5161289d8201e1dcad1dec705793a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.084033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086450/publication.txt
observed 30f9ec8e432faa1f9099bff7318436a5...
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.