OpenTechnical

OT-2026-000068289

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000068289) never changes.

Identity and time

Publication numberOT-2026-000068289 · never reused
Internal UUID01a0ae90-2480-71b5-8d27-c2f2846ec059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068289
StatusPUBLIC

Content hashes

Canonical text43c318efe810e850a338219aedc94eb212183cf9575736b1e153fb87b19fb361
Markdownca391bdc9641f80fa9fefa1b9e3199ddda901b3b036d47ca6f0c0e44ce7e74d1
PDF
Publication page927abe21585e287a3d4abab323e682bea9003782b182ae5706116ed170b29e19
Manifeste1f6ef60ba7dc4d8d6cd6d8b9addbe3760a492705379088ffe02d23df79533ac

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
SignatureVBUoWO3x0JeyhadZdDr3i5MXlGTjRSUA2Oq3whXliv6HE72TLJgtVwr5OeTkNZDY1DtAeLbbCaWvxxuh3bjEBg==
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

2026-09-17T10:29:19.341595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068289
observed 927abe21585e287a3d4abab323e682be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.322276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068289/manifest.json
observed e1f6ef60ba7dc4d8d6cd6d8b9addbe37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.306284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068289/publication.md
observed ca391bdc9641f80fa9fefa1b9e3199dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.289538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068289/publication.txt
observed 43c318efe810e850a338219aedc94eb2...
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.