OpenTechnical

OT-2026-000080415

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000080415) never changes.

Identity and time

Publication numberOT-2026-000080415 · never reused
Internal UUID01a0ae96-7e78-7b57-afe3-37895df06c5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080415
StatusPUBLIC

Content hashes

Canonical textcf355fa0293a0ea43ee1d478581f1296f427a001f67356014ff0d78a6939f060
Markdownaa92c8721fba02333a5e8d18e186579159f795344cf7372c5de71f4533f81436
PDF
Publication page2600207a1d06c707795a6ba9a5194be50586e8271656dfbc4ac40b801a5e6bf9
Manifest128d22689373393e7f816934d0b11710838f9cc396d6673516535effb0c9abbe

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
Signature2+SX+rBTdnSQqyfQs4vZMXEc6vfRL4s9pNM8T9Uvsgk8I9uciBpT3r/0M16TG2JZtQX/YbqQHrNOxHXeFFt2Ag==
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

2026-09-17T10:02:55.154115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080415
observed 2600207a1d06c707795a6ba9a5194be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:55.134587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080415/manifest.json
observed 128d22689373393e7f816934d0b11710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:55.116582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080415/publication.md
observed aa92c8721fba02333a5e8d18e1865791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:55.098561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080415/publication.txt
observed cf355fa0293a0ea43ee1d478581f1296...
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.