OpenTechnical

OT-2026-000005083

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, pump fed, pressure verified at each zone

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-2026-000005083) never changes.

Identity and time

Publication numberOT-2026-000005083 · never reused
Internal UUID01a0a92d-528d-798b-9a86-54a2187eac3b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:14.896558Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005083
StatusPUBLIC

Content hashes

Canonical text0ff1f9a84c698f5319bd34ce44ba1d25bbfdda6226eb6d93cb03c6f785a73043
Markdown8129e7e47127f14b49782ba3ad7616332f30845dcd6a8e029534c5dbf78f67d4
PDF
Publication paged6cc21534658eedc6fef7a63eb51a1fd2a1b2f2815d27665ce0a6c9a7efb6d71
Manifesta249bbca2b33c2914147047a62e66022a02677d0050588be5a23688e4be8eed4

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
SignatureUr33YD9GAJpd/MsuLGV72ITon/WDXNmu02TRTQFXmHO1nZh1VHS0aIlS0mJ0Lu1GKR1m3ZkMzH209MG/QUYNBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:17.384876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005083
observed d6cc21534658eedc6fef7a63eb51a1fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.371906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005083/manifest.json
observed a249bbca2b33c2914147047a62e66022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.252003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005083/publication.md
observed 8129e7e47127f14b49782ba3ad761633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.233574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005083/publication.txt
observed 0ff1f9a84c698f5319bd34ce44ba1d25...
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.