OpenTechnical

OT-2026-000043200

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000043200) never changes.

Identity and time

Publication numberOT-2026-000043200 · never reused
Internal UUID01a0ae7b-327c-7e7d-97dc-6f7231dd8ba6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043200
StatusPUBLIC

Content hashes

Canonical text7aba1132af884c7d12fbf21be04d254d11e5f1c65ce4c2ef701ed4440059cab8
Markdownd3d3625db157c86af62675ad4216e7df02e09b1fb671c123968082db2768c92b
PDF
Publication pagedc2859d20c54f3e4922b8e0a1155c550607ef46f57b79aebedbac82cccb44123
Manifestef01f95dd8e32cb6b54f87b36297819ee6e8dc04ec9984d1300d7449ec6cdbbe

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
Signaturep8DcpfOgPn09AbKf3StT1Orq3DSdm3IeiELzFqsESFkErNsDpZmrHfs9CymZ8OtcGg8hnMgCsy5QlWWCrO/7AA==
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

2026-09-17T11:13:39.495279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043200
observed dc2859d20c54f3e4922b8e0a1155c550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.477049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043200/manifest.json
observed ef01f95dd8e32cb6b54f87b36297819e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.458643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043200/publication.md
observed d3d3625db157c86af62675ad4216e7df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.441805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043200/publication.txt
observed 7aba1132af884c7d12fbf21be04d254d...
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.