OpenTechnical

OT-2026-000091122

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000091122) never changes.

Identity and time

Publication numberOT-2026-000091122 · never reused
Internal UUID01a0ae9c-f16b-70b8-939a-e93143d00d12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091122
StatusPUBLIC

Content hashes

Canonical texte5e008d9c132bd49dcdccc5e1e4e6edfebafe57704c179e6f80736d9276b29af
Markdown627a57c5b7626843447e9ea28cfcfb34e500cc75bec31279a9029f66c4578233
PDF
Publication pageefa483053d78193f7b8e34992642dd86567883ac1e5325b89c7c712accea8709
Manifestf5f744bbe67bfd2f2c5282d0993169c07d32762b44ed8e02159f1d6d11afea21

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
SignatureUJcIAwH4kIiomiOwhxIgBfTF7OumBU2NAd2HZ2V2M1rWRtgkNPlt/k3fhWo96fwKhQiY+8d0qndYZ/jB3rReAA==
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

2026-09-17T09:43:16.573483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091122
observed efa483053d78193f7b8e34992642dd86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.556722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091122/manifest.json
observed f5f744bbe67bfd2f2c5282d0993169c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.539517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091122/publication.md
observed 627a57c5b7626843447e9ea28cfcfb34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.522591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091122/publication.txt
observed e5e008d9c132bd49dcdccc5e1e4e6edf...
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.