OpenTechnical

OT-2026-000084175

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, sustained blow-off 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-2026-000084175) never changes.

Identity and time

Publication numberOT-2026-000084175 · never reused
Internal UUID01a0ae98-5b5f-74a7-82c6-3955241f14a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084175
StatusPUBLIC

Content hashes

Canonical textbaf8ab8d9dc7d963c4c16410507d2a3113a692dc2d0b2acfac652b85bebaeb52
Markdown643bb059bcb67a6a621d07543a5a9b1e18a46d04c899bca778a7144989403239
PDF
Publication page12e5781ffa418682c4710bd10a4c194d5275939c6d992ef76a49830b6e9739c8
Manifestf3427838b11661bb55b60eac7473b22d0028daba0361498c0f71fd6dfa2eb8b5

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
Signature4zZ3r8h5RMqNzNRRnDEHkpKNZMkSMMJAqnN4VPvmqiRpBb1BZVbR5SuTMSjqS+jh0ATrQtYoFMD6LVDTGQIiAg==
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

2026-09-17T09:55:57.121798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084175
observed 12e5781ffa418682c4710bd10a4c194d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.105347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084175/manifest.json
observed f3427838b11661bb55b60eac7473b22d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.089199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084175/publication.md
observed 643bb059bcb67a6a621d07543a5a9b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:57.072436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084175/publication.txt
observed baf8ab8d9dc7d963c4c16410507d2a31...
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.