OpenTechnical

OT-2026-000089698

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089698) never changes.

Identity and time

Publication numberOT-2026-000089698 · never reused
Internal UUID01a0ae9c-1a22-7f66-b364-a5740881e0fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089698
StatusPUBLIC

Content hashes

Canonical text7189f8eec6027b1211ca6ecb59799ff6b82c9c481a0ca295edb6dd92c5c75286
Markdown5c215d382dc18c14e58553a269c153b552d228bb3c91605899e1659535822dde
PDF
Publication page043964d82a5fffd70471c4c0389dbc0725e7c44e2aba87be115b8a4abda60dc9
Manifest6afb349f550cbf569fa9ed27e626e7a64beaced1575615fbc9624752390a73e4

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
SignatureLdwwslx5xyMcJg++6xldcsU5FHjv/9IJjDww3LGjFStI1OuDH2s5SAHJY0+YOqXw/OxXqYm7gKqhCl1PSlZbAw==
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

2026-09-17T09:46:41.882386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089698
observed 043964d82a5fffd70471c4c0389dbc07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.866130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089698/manifest.json
observed 6afb349f550cbf569fa9ed27e626e7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.849279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089698/publication.md
observed 5c215d382dc18c14e58553a269c153b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.832254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089698/publication.txt
observed 7189f8eec6027b1211ca6ecb59799ff6...
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.