OpenTechnical

OT-2026-000028533

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000028533) never changes.

Identity and time

Publication numberOT-2026-000028533 · never reused
Internal UUID01a0ae72-e2f8-78f1-8cee-f39297ec76d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028533
StatusPUBLIC

Content hashes

Canonical textaac6e188cd54c123222cbcb75a8bba0de99d5ba8edab8c28f740c6297cb89ae0
Markdownf8e518c7fcf9d44f88406a52ceb1f00891390eddcfbf7d14caf002da10b544b5
PDF
Publication pageb0a61f56fface93a24857b95728a831927ea10f9248ef36a5bf2abe7cad34fe0
Manifest3d042fcad5baad5ea1787b2fbcfdabad63aac0c894caf319f0d828046280ac89

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
Signaturet7s9X2mAxO+k/chnyPj1pDze5t6VUNHz0WapT0w5s5+ipF0O4+qsMAr6s3xPWrc8bkTSg2MrMbF6egfKJIWZCA==
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

2026-09-17T11:40:48.429806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028533
observed b0a61f56fface93a24857b95728a8319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:48.409713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028533/manifest.json
observed 3d042fcad5baad5ea1787b2fbcfdabad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:48.391988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028533/publication.md
observed f8e518c7fcf9d44f88406a52ceb1f008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:48.373387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028533/publication.txt
observed aac6e188cd54c123222cbcb75a8bba0d...
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.