OpenTechnical

OT-2026-000006916

Publication integrity record

Vacuum cup gripper, per zone isolation, three stage ejector, silicone cups, flat form

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-2026-000006916) never changes.

Identity and time

Publication numberOT-2026-000006916 · never reused
Internal UUID01a0a96c-3564-7775-8d5b-45a67e9430a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:53:56.198858Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006916
StatusPUBLIC

Content hashes

Canonical text84ed2b16ccf498fe833f81854a9865b861e2113e60f5a330dd0191234de82148
Markdown3e2e13968460d169003a7a63a47f95e8be9f074a4f96ed030bc7799094859a1d
PDF
Publication pagefc195dc33355a220919c480788111a31a46dde56ba3ceabf4b029ce40567450f
Manifest19490d6a1a8a295bc9a8f7fa6a9797ed626e12d6fa450415c3cd2097b850080d

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
SignatureYq6zDYO6daUFYFYzyZ1pakGmJewMm2XpBGW4v8ngNHiJdzqE4Ri0wfDdImDEwZawfUZhNt1VFmNKaR6ClgOMDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:22.405786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006916
observed fc195dc33355a220919c480788111a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.393409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006916/manifest.json
observed 19490d6a1a8a295bc9a8f7fa6a9797ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.378003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006916/publication.md
observed 3e2e13968460d169003a7a63a47f95e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.242929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006916/publication.txt
observed 84ed2b16ccf498fe833f81854a9865b8...
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.