OpenTechnical

OT-2026-000069792

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented before set-down

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-2026-000069792) never changes.

Identity and time

Publication numberOT-2026-000069792 · never reused
Internal UUID01a0ae91-185f-7805-a48a-5cfe6c17c7fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069792
StatusPUBLIC

Content hashes

Canonical texte84fe6b4276eeb244f8833407445d568367dfe177ab586d184bff9bf9e72f44a
Markdownca2b80d87eb0e892f1e5e569049a8406fa1d106bc4bc50a24de42c98365be728
PDF
Publication page7c9ad5a708e8d7dfffd86ee11926c58c97277d3dd2aea4438aa0b69d5371930c
Manifest5851c6a4a21586fc36ccbfe7cd5087d004446094837b3bacf3e89ba4087474d5

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
SignatureKj3dd/ZHLNd2J6HB65/a7l8vafv6PYu1s0CWr/8wBneyPA8TJ1F9NkkvbY0o1RQnUoxywnM8sHnw8fciJOPaBQ==
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

2026-09-17T10:26:37.454363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069792
observed 7c9ad5a708e8d7dfffd86ee11926c58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.436814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069792/manifest.json
observed 5851c6a4a21586fc36ccbfe7cd5087d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.419768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069792/publication.md
observed ca2b80d87eb0e892f1e5e569049a8406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.401461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069792/publication.txt
observed e84fe6b4276eeb244f8833407445d568...
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.