OpenTechnical

OT-2026-000038128

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000038128) never changes.

Identity and time

Publication numberOT-2026-000038128 · never reused
Internal UUID01a0ae77-f88b-708a-b4c7-81f010fcfd9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038128
StatusPUBLIC

Content hashes

Canonical text6aebedb367b4a698b1fe648f5ff144468e84fb83bd24d557994bfa33a36c266b
Markdownf0f738e0d1deeb7dea8cceda639a9197f46fc496abf4094b442ddb645cc57184
PDF
Publication page199045076ddbe008e324ed86e629300629621519eaf897a58685a2e2e740ac8e
Manifestea75cbc91b5e78fa63f5bfe769e5dda64795f992e3500937917b3da8d61d8735

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
SignatureR00hDeEDTUsRdmBqQlZDlL4n+gSFXV1quTZwKUI+R9pqD/VS7s48mxUEhFM8Yjy9B1bjNucdtDLNmENkXSu9Bg==
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

2026-09-17T11:23:28.307734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038128
observed 199045076ddbe008e324ed86e6293006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.290159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038128/manifest.json
observed ea75cbc91b5e78fa63f5bfe769e5dda6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.271939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038128/publication.md
observed f0f738e0d1deeb7dea8cceda639a9197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.252912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038128/publication.txt
observed 6aebedb367b4a698b1fe648f5ff14446...
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.