OpenTechnical

OT-2026-000005533

Publication integrity record

Bellows cup vacuum gripper, four zone face, three stage ejector, pressure verified at each zone

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-2026-000005533) never changes.

Identity and time

Publication numberOT-2026-000005533 · never reused
Internal UUID01a0a93c-3c07-7eba-a596-3e0ea6e8ec1c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:32.170304Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005533
StatusPUBLIC

Content hashes

Canonical text4ad4b55021bbd266ee0d155889897c019a842dba4b59758b9c01d613ef88be86
Markdown60183447cade363d4ad68f5c0ef14686ad5532b725865549373af2adf3b33590
PDF
Publication pagea1f08c3486e4b1449d7d511361e9bc4d9feb76b79b42e095f416dbc1290be252
Manifest8ffceab5f5743335df6372f893fd88e67416e9ffc1d5d4d77d8f3f08f06d8000

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
Signaturei0BjDnL10kaWQKWp1XmB99yavVVqhy3E7A3DbxMDIrKWwf58PIVOAnNXSBtuyJa5RUFf+4EhumcSi80ApPCdDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:29.677128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005533
observed a1f08c3486e4b1449d7d511361e9bc4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.664452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005533/manifest.json
observed 8ffceab5f5743335df6372f893fd88e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.652628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005533/publication.md
observed 60183447cade363d4ad68f5c0ef14686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.639201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005533/publication.txt
observed 4ad4b55021bbd266ee0d155889897c01...
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.