OpenTechnical

OT-2026-000091848

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091848) never changes.

Identity and time

Publication numberOT-2026-000091848 · never reused
Internal UUID01a0ae9d-43ba-7135-98c6-f12830ae012d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091848
StatusPUBLIC

Content hashes

Canonical text6818aada7198cb2f8d4c410aa866c070fbd27f578dc30751937de799e851f19b
Markdown3fa9923b9bb2847e706bd28ecacfb5c0cb5cb98c8d4972c974f643c353ff94f5
PDF
Publication page50180c7042b05d27a9cef6d1665e7774e17302b5011f5aaf80bab863dbf02037
Manifestd272616e897c649f7da74e985f2ca803d77022cc1ddbc2e29b773c622fca0e7e

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
SignaturehRAxwBPRR+XZoWpfaeTYMekbyZNKMkv3SZB3kLMyIDCRupgJbmherpkQxsnRR3zl/cP4W5NWgSfRF19DDadZDg==
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

2026-09-17T09:42:46.179698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091848
observed 50180c7042b05d27a9cef6d1665e7774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.161998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091848/manifest.json
observed d272616e897c649f7da74e985f2ca803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.146103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091848/publication.md
observed 3fa9923b9bb2847e706bd28ecacfb5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.130200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091848/publication.txt
observed 6818aada7198cb2f8d4c410aa866c070...
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.