OpenTechnical

OT-2026-000027552

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000027552) never changes.

Identity and time

Publication numberOT-2026-000027552 · never reused
Internal UUID01a0ae72-6999-7290-ac03-f12642e50609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027552
StatusPUBLIC

Content hashes

Canonical text350b180e965493873572bd4bd1ba96f58660ef2546b6d9c1218c2371bb9f4cd5
Markdownbfaccffaea599e3c1b3150366c20b26562876820556888713301f4bd0390b9d2
PDF
Publication pagedc633ca0e1e9e07070fc721527c0c06470a4d1fdc912d9a8d448421084216f55
Manifest0b5aea55419379d891f2dd142b623007212843fc5a0bcc0ffef5896ff78b1066

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
SignatureAatN2KfI6BE+VB9F+CXXvSL2gUYipB6Ndv2P07XbkPYi16NR6UbJ6+dYYuheTgohqEoFwTfVrEkXwn90WkpYBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:02.449652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027552
observed dc633ca0e1e9e07070fc721527c0c064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.432895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027552/manifest.json
observed 0b5aea55419379d891f2dd142b623007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.415821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027552/publication.md
observed bfaccffaea599e3c1b3150366c20b265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.398126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027552/publication.txt
observed 350b180e965493873572bd4bd1ba96f5...
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.