OpenTechnical

OT-2026-000047499

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000047499) never changes.

Identity and time

Publication numberOT-2026-000047499 · never reused
Internal UUID01a0ae7f-3e58-7a3c-a89e-7b8ad4131681 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047499
StatusPUBLIC

Content hashes

Canonical textd696a79be2c472a8931b560b571e45f485227abc75ca84ad6e30c672cb1003c8
Markdown1a66cb34adaf4c21f519fa88fddf7ac0bcdaa498968763b023c47c7e49134a9f
PDF
Publication pageaeb5eaa7ac3940d81d6514c13e9f790f638124bc264dac30a5699f1f44582df9
Manifest34034b779f1c27fb7be780e82f7f2533c59af66fa20876a848824f70e7d54719

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
SignaturebOfMFjTtgiRRygRfl/SwsY8Q1sNRK+tRWg0bulu+cMCI0PFeTesbh8noYZbJBqS5QNM2f0p1aBAk3LSGFVlABw==
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

2026-09-17T11:06:32.597044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047499
observed aeb5eaa7ac3940d81d6514c13e9f790f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.578550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047499/manifest.json
observed 34034b779f1c27fb7be780e82f7f2533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.559870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047499/publication.md
observed 1a66cb34adaf4c21f519fa88fddf7ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.543442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047499/publication.txt
observed d696a79be2c472a8931b560b571e45f4...
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.