OpenTechnical

OT-2026-000102683

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102683) never changes.

Identity and time

Publication numberOT-2026-000102683 · never reused
Internal UUID01a0aea4-858b-70db-91a3-a777c7a20fd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102683
StatusPUBLIC

Content hashes

Canonical text07ce44fa91d7a23341cc097b3d2137bd4e0a4c650737da7f48918bf16998de1e
Markdowncb088459220c34da1238e0d4c22f8e3471fe35015e12ee228e13eb7c6494b99b
PDF
Publication pageaf45493824eb44ac7488e05cd613878b6ceb3f4752abb0dd61827b0fb9d411c9
Manifest7a7c4d156f3b7c3851f0ba19d6ec83c954b9206519bc55b484757f27799f5bcb

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
SignaturebkTnEMQV8OHtLbWNJkMabydhubfaqSODHCGPh1u7khyL8QaPqiOA92/zlm9UnSfs2aR5EziGUsQFUS0VefYOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:11.319618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102683
observed af45493824eb44ac7488e05cd613878b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.301324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102683/manifest.json
observed 7a7c4d156f3b7c3851f0ba19d6ec83c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.281122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102683/publication.md
observed cb088459220c34da1238e0d4c22f8e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.263056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102683/publication.txt
observed 07ce44fa91d7a23341cc097b3d2137bd...
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.