OpenTechnical

OT-2026-000046631

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000046631) never changes.

Identity and time

Publication numberOT-2026-000046631 · never reused
Internal UUID01a0ae7e-57de-788e-a55f-bb63b9727cc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046631
StatusPUBLIC

Content hashes

Canonical textfb75991b5519d0a025b72463c205c9bf0c1be0e5bcbdde0e40810a1c4c45fef5
Markdownf6ff8d0b6c700225fd5baa1e40fd471a0f945a818271ff57cc37515cf12ff7f6
PDF
Publication pageb9e613053d5070846fe7048682302f4128db942cffc14ed086eb44ea34d6e12e
Manifest9466e9b0f9f43ab8d5fe77047b09bdd422e02156efcff910fa6a2a4c5267dfbd

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
SignatureZsUp8UjF1AYCadhKzIWQPcCAtNJNsbejpNXcG1plrfXZVUvIV5l7eL+l59hIghT4scrE2ajKJUiep99wX3coCg==
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

2026-09-17T11:08:43.060970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046631
observed b9e613053d5070846fe7048682302f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.043712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046631/manifest.json
observed 9466e9b0f9f43ab8d5fe77047b09bdd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.020313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046631/publication.md
observed f6ff8d0b6c700225fd5baa1e40fd471a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.002433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046631/publication.txt
observed fb75991b5519d0a025b72463c205c9bf...
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.