OpenTechnical

OT-2026-000070220

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000070220) never changes.

Identity and time

Publication numberOT-2026-000070220 · never reused
Internal UUID01a0ae91-545d-708e-ba21-bb87bef03b05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070220
StatusPUBLIC

Content hashes

Canonical text90179b28b7d25c60f9e01f18c2f29b782ca686d8fed0d08086a8ddc000f575b7
Markdown330f38b0c75826f039635f3df04fd9e9b12e8a4552bdb2dfa218d0b6280af069
PDF
Publication pageb8e8ea58eba7fe5e67834032a2bff740d158a3df3b0e949640e01bc6a1ae4165
Manifest67b381d3f11bdfff47c70bbfcbd9fddc348c8d22c3b9e0a7092334a475c4a4a2

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
Signature0AK+iJPI/P5e6Ip6JHQgxwlhMhPvnnhA2yRN2wr+Uz3FbEZtIx2p1XdZF0W/mpoCZPGkhrZYw1yJ6xrzKcS6CQ==
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

2026-09-17T10:25:59.349392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070220
observed b8e8ea58eba7fe5e67834032a2bff740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.330710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070220/manifest.json
observed 67b381d3f11bdfff47c70bbfcbd9fddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.306433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070220/publication.md
observed 330f38b0c75826f039635f3df04fd9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.220439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070220/publication.txt
observed 90179b28b7d25c60f9e01f18c2f29b78...
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.