OpenTechnical

OT-2026-000099681

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000099681) never changes.

Identity and time

Publication numberOT-2026-000099681 · never reused
Internal UUID01a0aea2-c976-7847-a925-6fd06102cb5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099681
StatusPUBLIC

Content hashes

Canonical textbcbf1064865b80fe7849e6361ff81c088e0f4d1200a189018e86a38511358b2b
Markdown81cc08bf0847c6bf5dc24d6d2de72b6b0c1175efc909f1a54138f28effbaa36f
PDF
Publication page9837bed5d93c870f1cb96d1d8991bd76e4b9d7c2949763c5c23b134035a26226
Manifest8737ed66ed0785277f85f07a1c15a01a23caf64b10989749b5f61ba200ef5a29

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
SignaturesZ6cbYA9sABjJkp1Z7KjMiYp/4Ojl8TjoAnNMPWCdR/1o6Ka6IP1bSPuzFqM1Y4ElG1YHvK6hoX0Wv+T9K6TAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:37.585777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099681
observed 9837bed5d93c870f1cb96d1d8991bd76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.567492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099681/manifest.json
observed 8737ed66ed0785277f85f07a1c15a01a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.550235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099681/publication.md
observed 81cc08bf0847c6bf5dc24d6d2de72b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.533216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099681/publication.txt
observed bcbf1064865b80fe7849e6361ff81c08...
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.