OpenTechnical

OT-2026-000050715

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000050715) never changes.

Identity and time

Publication numberOT-2026-000050715 · never reused
Internal UUID01a0ae82-c7b1-73d4-be2c-9c8d160a24df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050715
StatusPUBLIC

Content hashes

Canonical textab5ce6c801989c460f3b016943103be56ea2b527921623e45f55ba8863341c66
Markdown2f007fb0016bda48a99e0ef08198dc6846b80678f3524361e63c0f4ff1d8000f
PDF
Publication page67c7b896911d17ef2503fe8b579613cb786088db1c18429bdba3f410802250ee
Manifest47abf5dfc2bac8e39c41fad1f2477ce99e892b9647e1665ef1faa5d7b9b59b6b

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
SignatureSAeRDwjRA1jErklLtu9nzz0inE90vgq8EqNqNOPyI5cgFRqVB/5dxuDu6u4wjUBoymu2FCndLsBtCVYBm5soBg==
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

2026-09-17T11:00:04.326848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050715
observed 67c7b896911d17ef2503fe8b579613cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.304896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050715/manifest.json
observed 47abf5dfc2bac8e39c41fad1f2477ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.303527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050715
observed 67c7b896911d17ef2503fe8b579613cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.277991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050715/manifest.json
observed 47abf5dfc2bac8e39c41fad1f2477ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.277262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050715/publication.md
observed 2f007fb0016bda48a99e0ef08198dc68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.257270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050715/publication.txt
observed ab5ce6c801989c460f3b016943103be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.255716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050715/publication.md
observed 2f007fb0016bda48a99e0ef08198dc68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:04.237172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050715/publication.txt
observed ab5ce6c801989c460f3b016943103be5...
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.