OpenTechnical

OT-2026-000089749

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089749) never changes.

Identity and time

Publication numberOT-2026-000089749 · never reused
Internal UUID01a0ae9c-1a22-7646-98ce-5f8c46777217 · 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-2026-000089749
StatusPUBLIC

Content hashes

Canonical text56991103ed4980551da95ef2595c67b7d9bd1a77ec11158baa18c2bbe080f3d9
Markdownfb9222e18f1204497675fe850e309f22d2d8492e439db52051a0082c869777ee
PDF
Publication pagea064d98b52e37ec38a9f6c0efe1550aca18f8019391c4c7cf8d24c1c6e822e45
Manifestec2a4d7e4ccc9dbd2720905db0e9281a94e64f5df9bd6e4afabc92b3b855c77f

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
SignatureWvrHOeu5qHw8A4908dT7UtEF/ztXcaefe/58m4ayK7iLalzbR6zPiPicpSze6E+b4/6Ssfb6lwAoqK0RLVAjBw==
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

2026-09-17T09:46:49.951393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089749
observed a064d98b52e37ec38a9f6c0efe1550ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:49.932747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089749/manifest.json
observed ec2a4d7e4ccc9dbd2720905db0e9281a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:49.906940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089749/publication.md
observed fb9222e18f1204497675fe850e309f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:49.882165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089749/publication.txt
observed 56991103ed4980551da95ef2595c67b7...
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.