OpenTechnical

OT-2026-000026677

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000026677) never changes.

Identity and time

Publication numberOT-2026-000026677 · never reused
Internal UUID01a0ae71-f4aa-7424-a29f-7f129bc98dbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026677
StatusPUBLIC

Content hashes

Canonical text086dff244d69843acfae0738b59cbd5fb2e000b68cca4d8b4d53044372f2815b
Markdowna1ec7108fd1188268fcd31a2377d66f9ba6f97906be70262882871b346a90144
PDF
Publication page5be7cddecf02d005278b0640dc2879de24b041edd8c1380cb62a7a4ddcd1168e
Manifest10bf77ffb2bd72fd12c3574fcd2635b18ac383579cae168081035366d4ca515f

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
Signature6JO+V1DvlMYX3u+CGvUAMGV9POKVB/IY5DaVAlDdMJCILm5Hl/ZG8gDSRZ2nu8j0M/mqFbOM+WLfEmUD48/8Bw==
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

2026-09-17T11:45:45.766236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026677
observed 5be7cddecf02d005278b0640dc2879de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.746245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026677/manifest.json
observed 10bf77ffb2bd72fd12c3574fcd2635b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.727083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026677/publication.md
observed a1ec7108fd1188268fcd31a2377d66f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.708586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026677/publication.txt
observed 086dff244d69843acfae0738b59cbd5f...
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.