OpenTechnical

OT-2026-000068396

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000068396) never changes.

Identity and time

Publication numberOT-2026-000068396 · never reused
Internal UUID01a0ae90-2480-771b-b0f1-3b397a29a405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068396
StatusPUBLIC

Content hashes

Canonical textf9afacc538355af65895372d6a728312314517e6edc0931a0069b4d5751e30bb
Markdown25bb30312143ccd507b1b0a726f32cd95656d2b45f91e6f55286b9fcd3dd24e8
PDF
Publication page4ce4e130e074c8a4e3226b83e4ac3d02fc0ff9e778f84276ae6ab16329534e2c
Manifest1fba2b5b411dabba331cbb95585ff009b7538f1c25c5341ed941f582a00b3a57

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
Signatureck7oiQFY24ueEya1KMylxTj6IsnCap5DnA7aylGh4MtCMx2P6jJB69Mj+qFa7qu/yZ8xHUe16OucFAjCIov/AA==
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

2026-09-17T10:29:27.113682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068396
observed 4ce4e130e074c8a4e3226b83e4ac3d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.092183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068396/manifest.json
observed 1fba2b5b411dabba331cbb95585ff009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.073854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068396/publication.md
observed 25bb30312143ccd507b1b0a726f32cd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.055761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068396/publication.txt
observed f9afacc538355af65895372d6a728312...
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.