OpenTechnical

OT-2026-000070889

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed 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-2026-000070889) never changes.

Identity and time

Publication numberOT-2026-000070889 · never reused
Internal UUID01a0ae91-8c2d-72be-b61f-9a13196ceac9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070889
StatusPUBLIC

Content hashes

Canonical text4d71d4ff3944142ceaa3ac13221eb8e7cbc0bb1e024bcd42aa2019904e9e0adf
Markdown29ff59a02b7fe37f27de6153cf5337ceda75a2e6f54e087747847e0b6ddb05b0
PDF
Publication pagee7cbed88c6b06edd6f6c5a073cbb4c1fd7816169014336ae54615c2c40727b16
Manifest1df14465caac8243b62bf99c1d95baf431d193a27a7012dae27dbdfd468bb651

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
Signature0Kvyu4AOhpFvszUJfzMuFSnjeHDWcrcc6iKeddzFLnGKAqw69jMbAbZEL6vznWurJcwrkxk4wXvpmUusDDQIDg==
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

2026-09-17T10:25:42.940063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070889
observed e7cbed88c6b06edd6f6c5a073cbb4c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.923981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070889/manifest.json
observed 1df14465caac8243b62bf99c1d95baf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.906591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070889/publication.md
observed 29ff59a02b7fe37f27de6153cf5337ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.889233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070889/publication.txt
observed 4d71d4ff3944142ceaa3ac13221eb8e7...
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.