OpenTechnical

OT-2026-000018655

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000018655) never changes.

Identity and time

Publication numberOT-2026-000018655 · never reused
Internal UUID01a0ae6e-d520-77ba-8754-607a65db1dc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018655
StatusPUBLIC

Content hashes

Canonical text07198e251baa0bebece2bb6ddde70bba74fc954c51b98e68989babd60b070d5e
Markdownd3610e6b3c81717c2c80826b9f3905115b24e914ed59e3390ba331aaf0c756b1
PDF
Publication page6065c671a2687a6c0ebc6be775399e553c684c178e07e4b0cd8deef27753ba9a
Manifest33e83b48ac337ee0f328f46d9de104ae632db03fba9ddebad234df965c6df260

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
SignaturevfavrJZGcK0nUKvcjGNIE3yOXYCVdUllVum2yMavK5+sv9SZZwXdJDzt0KrcIF5VCbpVnD5J9G6UcYcVM9dfCA==
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

2026-09-17T11:59:09.441766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018655
observed 6065c671a2687a6c0ebc6be775399e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.422162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018655/manifest.json
observed 33e83b48ac337ee0f328f46d9de104ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.403780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018655/publication.md
observed d3610e6b3c81717c2c80826b9f390511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:09.386354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018655/publication.txt
observed 07198e251baa0bebece2bb6ddde70bba...
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.