OpenTechnical

OT-2026-000079978

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000079978) never changes.

Identity and time

Publication numberOT-2026-000079978 · never reused
Internal UUID01a0ae96-4377-7a26-90f0-3a2f1d7c6eb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079978
StatusPUBLIC

Content hashes

Canonical textc2719e21a73f938d9636857b67f95e0c7dedc268426b27a6b8a1fb269bf72d9e
Markdown093c34ab3fab056dfef8c19909df9cd5de313b5b749c2cb9769c21dffcf715e2
PDF
Publication page79b61d7ebad96e7c71b06f5aac1b4f4aa07c02a39dc32f5560af261f3577a9f0
Manifest4b43c96226c4582239ce062e39785f79fca07dba1ee1a544523d94132e5cc792

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
SignaturedsJwcYiNJINmOPEO5gcNhU57kuXzXNoyE5EFGAv6t1eMi4DTPRz1LI7DnoewP8IgncZ32cCT3Ulg/4g3JESWDg==
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

2026-09-17T10:03:53.670469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079978
observed 79b61d7ebad96e7c71b06f5aac1b4f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.650828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079978/manifest.json
observed 4b43c96226c4582239ce062e39785f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.631015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079978/publication.md
observed 093c34ab3fab056dfef8c19909df9cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.611315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079978/publication.txt
observed c2719e21a73f938d9636857b67f95e0c...
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.