OpenTechnical

OT-2026-000013483

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed 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-2026-000013483) never changes.

Identity and time

Publication numberOT-2026-000013483 · never reused
Internal UUID01a0ae6d-6fca-7586-9b42-4abc5e56d50e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013483
StatusPUBLIC

Content hashes

Canonical text58d8af74773a1cba4f29983849d348a08405dac1d2ffc54c64a4ec8ca06189ab
Markdown81914808ac0dacc5b036183d443ad3e5319d21393d44dcb0ed8e3a20db91177b
PDF
Publication page12c000d2c9169d1cce6cc7c4a578df118dfa7304ba77deb295dcaadca20213da
Manifest130a33188b45a791a0a74cd2ab47f7bbfa9b09b4089c11412c2134ecfe59f10b

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
SignaturelP+nqrxttFu2JYb5HBdroG4yz4GBYZWAqxiG72VU3j9+xhXeqmUIJNvksdTP6Jsg+7LoY0ZwhZHkQYSakOhQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:59.195238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013483
observed 12c000d2c9169d1cce6cc7c4a578df11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.176579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013483/manifest.json
observed 130a33188b45a791a0a74cd2ab47f7bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.154970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013483/publication.md
observed 81914808ac0dacc5b036183d443ad3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.134820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013483/publication.txt
observed 58d8af74773a1cba4f29983849d348a0...
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.