OpenTechnical

OT-2026-000052819

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line 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-2026-000052819) never changes.

Identity and time

Publication numberOT-2026-000052819 · never reused
Internal UUID01a0ae84-a42e-775e-9923-36ee1057691c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052819
StatusPUBLIC

Content hashes

Canonical text916d9d42edc54755a3772c43f1c7cc805056eec2e3bb80fbb2bc5bd1bd1d2359
Markdown350edad4ece272de0015bdbaf54674aedaa35f6ecebe10ccc1bda42a201fe4c4
PDF
Publication page41b9cbcc51fd303a13523de67d3129e4c6ed85e93e402229d6d10b062869e537
Manifest04334ec8253309586dcf21e7cfc13760fa493fe045db6ab5653174296619a49a

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
Signature2izV9fkjpjkcuT7FW9DnozHTE9f4I9KGmSwBhxf206JfBJwdy8BylXcv/iV8NPIMHN5o2Lye+lLaG6mSOJfuCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:50.493423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052819
observed 41b9cbcc51fd303a13523de67d3129e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:50.473040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052819/manifest.json
observed 04334ec8253309586dcf21e7cfc13760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:50.454050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052819/publication.md
observed 350edad4ece272de0015bdbaf54674ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:50.435273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052819/publication.txt
observed 916d9d42edc54755a3772c43f1c7cc80...
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.