OpenTechnical

OT-2026-000021912

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000021912) never changes.

Identity and time

Publication numberOT-2026-000021912 · never reused
Internal UUID01a0ae6f-bb5b-7091-9fa0-d0c1bca66b13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021912
StatusPUBLIC

Content hashes

Canonical textfa6696a3f657d8f97e4ed7f224035c2e4f873912c8b9681f63de92280e0428d6
Markdown7eb0212d3465e5018e3bf56830f10fbd5896bee00e839cb4948dbbb6849d75c6
PDF
Publication page70877a0f897961ed4890e5c80b3d3b0f5691bf04ed09cfc4d87694a846b73f37
Manifestdaf8f4022f665917c5331d8ec183fe071b86061fd9073bcaf766074c93f7850f

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
SignatureEkYs7saWKzo68yTzGb3GfD6ZmnKzwaVt/dVgsurCsQKuv1RWiyibfNlwQbfRGzTU8PlNmAaRZqQ93uTjuwwaBA==
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

2026-09-17T11:54:29.061855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021912
observed 70877a0f897961ed4890e5c80b3d3b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:29.039556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021912/manifest.json
observed daf8f4022f665917c5331d8ec183fe07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:29.018287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021912/publication.md
observed 7eb0212d3465e5018e3bf56830f10fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:28.998171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021912/publication.txt
observed fa6696a3f657d8f97e4ed7f224035c2e...
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.