OpenTechnical

OT-2026-000023157

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000023157) never changes.

Identity and time

Publication numberOT-2026-000023157 · never reused
Internal UUID01a0ae70-7267-7374-bdfa-0f96ee590261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023157
StatusPUBLIC

Content hashes

Canonical textcac5a2797935564203a4954f61b21f3e54bf541c3eb0a59377322eaef85ac70b
Markdown6f7126ad9ee0d4a19b23b1aee172424dc03f2c77ca8346f242cacb302440554c
PDF
Publication page932fed52c3df287295b60bc1071ef1cbfe7b87ea352d37cb911f4742822ac239
Manifestbb72524d1e395233cdcbc3fea521d5a6c17a3952faa109fe85f3e0e0d086d9b1

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
Signaturewn+QFAFSZwD94z+o7jDfF0PZClO1Qcddk62N16/qnN5wj+6xx26ws3qnNM6+eIwZq4huUTETRKtJD3U3b0VUAw==
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

2026-09-17T11:51:05.745766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023157
observed 932fed52c3df287295b60bc1071ef1cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.727239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023157/manifest.json
observed bb72524d1e395233cdcbc3fea521d5a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.709668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023157/publication.md
observed 6f7126ad9ee0d4a19b23b1aee172424d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.690623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023157/publication.txt
observed cac5a2797935564203a4954f61b21f3e...
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.