OpenTechnical

OT-2026-000012506

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000012506) never changes.

Identity and time

Publication numberOT-2026-000012506 · never reused
Internal UUID01a0ae6d-39f7-73ab-97cc-35607362ec0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012506
StatusPUBLIC

Content hashes

Canonical text4375b6a0152e4c4f3447752e7d1e11379ddd4d3e56d74caed07b94c890b3d2b0
Markdown1cec2f3030f7ed2a920fee8af537b256f33eca1b4b85195af5db29773e93a5bd
PDF
Publication pageb3133c337ed30abb238385a53ad067ed49f26b66e13f6d1cdb9f4ccd2cbe5d60
Manifest5dd688d2cc87d92f2acb9c2050fe0d455863e6771d34b70f486ba78f19bec32b

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
SignaturesZevdI7Ve81g/JixD08Zw12Yd1S90YpqosMMmo8b9XiIrrbIrkGdZ9dEyeAbVCmxFvFPeHMPx7zq3XcFlxRrBA==
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

2026-09-17T12:12:01.580775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012506
observed b3133c337ed30abb238385a53ad067ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:01.561613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012506/manifest.json
observed 5dd688d2cc87d92f2acb9c2050fe0d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:01.541541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012506/publication.md
observed 1cec2f3030f7ed2a920fee8af537b256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:01.521614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012506/publication.txt
observed 4375b6a0152e4c4f3447752e7d1e1137...
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.