OpenTechnical

OT-2026-000102732

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed 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-2026-000102732) never changes.

Identity and time

Publication numberOT-2026-000102732 · never reused
Internal UUID01a0aea4-858c-7446-b708-1446327e1e2b · 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-2026-000102732
StatusPUBLIC

Content hashes

Canonical text5bc8df6d461de35eeacbc922589716b7c9b627c3604c8f4df160bc4880ae4e03
Markdown5a9d1b7c0e43028479288ceae7ae97e61ceb148c7c27cec23fb9b736c559834f
PDF
Publication pagee90cb14f6cb7f70eb214af388e8b25f4a6a4988b2e608161d5e5003d0d2f7419
Manifest5142b6534521fc28740e79f8388d250bffbc24741ff10d3a0ff281e531d69549

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
SignatureZlFbw/+UlOzC2Ob/h4U4+J8Pe5Bt6P7+SlUv/8Pt8xVU+mpz6J6Sob1nqMQBwo+vw3jPdje8ntoR8UKNrGrSBA==
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

2026-09-17T09:24:14.989624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102732
observed e90cb14f6cb7f70eb214af388e8b25f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.972010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102732/manifest.json
observed 5142b6534521fc28740e79f8388d250b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.953172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102732/publication.md
observed 5a9d1b7c0e43028479288ceae7ae97e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.932711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102732/publication.txt
observed 5bc8df6d461de35eeacbc922589716b7...
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.