OpenTechnical

OT-2026-000086112

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000086112) never changes.

Identity and time

Publication numberOT-2026-000086112 · never reused
Internal UUID01a0ae99-e82b-74b7-a274-0d9d2a43d04b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086112
StatusPUBLIC

Content hashes

Canonical text07123b4bf95cd4dc229bb888b919353fbd60fde4a6140e40929364cb72a25b21
Markdownd98c9c3516e00e8b11803903d26f6dd45e54461c93daa190f203e24fca32d5ef
PDF
Publication page73ee71e5a44b8f7b5fead57e74ca18fdfeb805f92c83ca16d2174112138d29c6
Manifestdac6bc52c3c1731a2031bba83460ef4a06678f0ddd3cd8fddd8dcebb2031a504

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
SignatureeT9yoKNwA6xD5OT/I4IQKdXW5/0wVr608M6BacJ3ILBIGSUYjTT2KlkcD9Io/QDoRwd5+dyZZN8PD9V7xfW3Aw==
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

2026-09-17T09:53:46.032876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086112
observed 73ee71e5a44b8f7b5fead57e74ca18fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:46.016686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086112/manifest.json
observed dac6bc52c3c1731a2031bba83460ef4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.999870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086112/publication.md
observed d98c9c3516e00e8b11803903d26f6dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.981224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086112/publication.txt
observed 07123b4bf95cd4dc229bb888b919353f...
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.