OpenTechnical

OT-2026-000011794

Publication integrity record

Single bellows cup vacuum gripper, pump fed, 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-2026-000011794) never changes.

Identity and time

Publication numberOT-2026-000011794 · never reused
Internal UUID01a0ae6d-1941-757b-863c-1aec08d72811 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011794
StatusPUBLIC

Content hashes

Canonical textfa3806718ab6905c343ce5c92ad12d51f7cbe53dbec7f323241933cf67500ac5
Markdown4b1697fa8b107996ab036a8fcd675c7cb870bcd8f6f70d052f2698404f4da124
PDF
Publication pagecb78f71d83caff1369b42ca26a2c1d67398fd43e26f9fc5431fa08304d72c3c4
Manifestf2c4f6f5342582e5385d712504da59b87a2da2101728479cb8c0cd51622112ef

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
SignatureeJm0W4o8NNSf7E1uDzESeDKQf513Ht5yhmkw+gytDV//Ilxn9ZX8quqsNu6I/O2pm9xGVX2MI65eZZRasW1CAQ==
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

2026-09-17T12:12:31.053232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011794
observed cb78f71d83caff1369b42ca26a2c1d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.035305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011794/manifest.json
observed f2c4f6f5342582e5385d712504da59b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.015157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011794/publication.md
observed 4b1697fa8b107996ab036a8fcd675c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.994531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011794/publication.txt
observed fa3806718ab6905c343ce5c92ad12d51...
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.