OpenTechnical

OT-2026-000033452

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000033452) never changes.

Identity and time

Publication numberOT-2026-000033452 · never reused
Internal UUID01a0ae75-a38d-7a21-a5a3-64aff43cfbb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033452
StatusPUBLIC

Content hashes

Canonical text5af6d2f8c1a40728d523b27d45878724f0f103f607204a355d99a2e2d2bc7f90
Markdownda7dbc11d411819e903f4b6b89419f4059bda43b43dd39667e5856d9e7951850
PDF
Publication pagea5ad3c47fc08a473116d436aa49bf653b8430ab613de65023fe3013e3cfb553c
Manifest8ab18edc2a9f193e81d0668b4cc2bb0bf9261101d60ec8fd4131f4ab90f9a57f

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
SignatureTf+89r7x0tW5uj4ohAcmua+WQl1SVf2hvqT2FjA8lGuhaIivEDCgtxAVPnxnYJ8gv4q2krk9eYUqpCvdZCLvAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:17.239623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033452
observed a5ad3c47fc08a473116d436aa49bf653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.219391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033452/manifest.json
observed 8ab18edc2a9f193e81d0668b4cc2bb0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.201378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033452/publication.md
observed da7dbc11d411819e903f4b6b89419f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.181859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033452/publication.txt
observed 5af6d2f8c1a40728d523b27d45878724...
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.