OpenTechnical

OT-2026-000015437

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000015437) never changes.

Identity and time

Publication numberOT-2026-000015437 · never reused
Internal UUID01a0ae6d-ef49-7576-8e6b-10411580c69f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015437
StatusPUBLIC

Content hashes

Canonical textca4e7eccf17a55c364db5a3cbb2dbf9f55844576d61e7d465359208313c6879b
Markdown8299b64de4ed82663fe0c2e05565a2fcdd6f7186a98d3b800b3757406c5b9ab4
PDF
Publication page551ca23dc8bc4bd196119e05d778f41ca263c82aa4f4805849c1db05a82a3580
Manifestefb980f12882f066c25e21f8f3731092a447b912d1bac20cd9082954932f928f

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
Signaturec/L8i7fEGMxYrUcwWHudXguneZAHystn/To5UZvmRctqodkyesjvJo9R6mTHA09HtKfoD8wnrm0dzuVRTISHBA==
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

2026-09-17T12:06:10.632206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015437
observed 551ca23dc8bc4bd196119e05d778f41c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:10.613185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015437/manifest.json
observed efb980f12882f066c25e21f8f3731092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:10.594780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015437/publication.md
observed 8299b64de4ed82663fe0c2e05565a2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:10.573546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015437/publication.txt
observed ca4e7eccf17a55c364db5a3cbb2dbf9f...
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.