OpenTechnical

OT-2026-000086223

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000086223) never changes.

Identity and time

Publication numberOT-2026-000086223 · never reused
Internal UUID01a0ae99-e82c-77b5-a788-098d832f2f06 · 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-2026-000086223
StatusPUBLIC

Content hashes

Canonical textca0dd0e4671dc80d68025b126901b2a9d92396c44fd4abdb126d8131ba2e59da
Markdownf96581c9fd9a6dfcc7a02d49781731c65f8e60567291ff210b01a90246c94ab9
PDF
Publication pageb63c5b916b64659f08c1af361a91a364894e6f0cab14e61083a6523242cf37fd
Manifestefb2b62d8c87d7a1c2133d7c99780c7dd6aa4d5fc4280a1721a985616be42c51

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
SignatureKhXPo9NA4lz0HZtK5eEqBLAWba+aIU4mPPYbKil8EUQ/4tWBaf5ezuXdRk22pth2muVUwcun6Yz1HgHB/o8yAw==
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

2026-09-17T09:53:54.503308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086223
observed b63c5b916b64659f08c1af361a91a364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.485406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086223/manifest.json
observed efb2b62d8c87d7a1c2133d7c99780c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.467060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086223/publication.md
observed f96581c9fd9a6dfcc7a02d49781731c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.451105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086223/publication.txt
observed ca0dd0e4671dc80d68025b126901b2a9...
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.