OpenTechnical

OT-2026-000081475

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000081475) never changes.

Identity and time

Publication numberOT-2026-000081475 · never reused
Internal UUID01a0ae96-f375-761b-88c9-a45b1755d012 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081475
StatusPUBLIC

Content hashes

Canonical textfee803c336f822178ffd3b82826490c1c06a17534505a57fe95820ee45fea10f
Markdownf6231fdef94901cfd58820f9ccd24f0dc63af626999b2777bb76f0b062813cfd
PDF
Publication pagea51b5d93660d6cba16c935145a8915d3f46fe2d9b4c83c0359372c599f3331e3
Manifest46755c835b65afa7ab123291ccf7e2d7df9ce726545ba8398b5c7bb82f9a2ca5

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
SignatureUVolOQnVj7xysiBdl3GEVqRN0Z4WgT8Uro9hXYJKFdLerZAXtXh+2WGwfqDg5LLdzNLb6xvme9YTP+18VFDQDw==
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

2026-09-17T10:01:38.480917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081475
observed a51b5d93660d6cba16c935145a8915d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.463423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081475/manifest.json
observed 46755c835b65afa7ab123291ccf7e2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.442799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081475/publication.md
observed f6231fdef94901cfd58820f9ccd24f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.424540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081475/publication.txt
observed fee803c336f822178ffd3b82826490c1...
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.