OpenTechnical

OT-2026-000007691

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000007691) never changes.

Identity and time

Publication numberOT-2026-000007691 · never reused
Internal UUID01a0ae62-76be-7266-8e43-8b85d062872a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007691
StatusPUBLIC

Content hashes

Canonical textdd2c70b5481eae80e9c9fa78684468414b9227cbaf63738a630e7000f5f93e88
Markdown79d290bfcde198ca3658579ab49c3ce058d7da71fae19ff70fe3fe20fc6d6b6c
PDF
Publication page8ebf22b2ecf84a7b1fc62e445ce3b383e87a9a5a680526e066d4f688f84d7e76
Manifestf296c0b3f8e0bb88663980f4cea1e07a5d92ffd0d16941104b5abf052646f0aa

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
SignaturedP9bT+fAUJOZctMtf3Dk8/I6P/qDf8rKLfoCzN+p760UoUSxW1MkhlIxERYEYqsRO8R6txowN72mV2hfVgaGAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:19.242180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007691
observed 8ebf22b2ecf84a7b1fc62e445ce3b383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.225162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007691/manifest.json
observed f296c0b3f8e0bb88663980f4cea1e07a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.206827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007691/publication.md
observed 79d290bfcde198ca3658579ab49c3ce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.188579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007691/publication.txt
observed dd2c70b5481eae80e9c9fa7868446841...
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.