OpenTechnical

OT-2026-000078038

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented after 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-2026-000078038) never changes.

Identity and time

Publication numberOT-2026-000078038 · never reused
Internal UUID01a0ae95-2f44-71c1-b3af-2116b1db5549 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078038
StatusPUBLIC

Content hashes

Canonical text2d11a0651a85695d08d29d550700c8a238998b00641cbc707b18d2072f54dfb3
Markdowna8b382c1e281e2bd01f88af4b7f1080f15ba7218675a2d69d5666fcc402b2f12
PDF
Publication pagec028f65a17cd44fe6d87512fbdaf798f29755edc2a5462316c2415a99dc5d345
Manifestc92b6e8115cac930d4c38eb4aaa879bd02a21240df78cc9b1a5316349b42b0b1

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
Signature6Zcv0o77DEvVdm/hvfsXee9+OvK3IxIgPYAECMOwuTVND/yZL+yomLdq87YuHE4ZijDz0+1WpgtYTT+yATRrBw==
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

2026-09-17T10:07:00.747513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078038
observed c028f65a17cd44fe6d87512fbdaf798f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.728539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078038/manifest.json
observed c92b6e8115cac930d4c38eb4aaa879bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.709806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078038/publication.md
observed a8b382c1e281e2bd01f88af4b7f1080f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.689984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078038/publication.txt
observed 2d11a0651a85695d08d29d550700c8a2...
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.