OpenTechnical

OT-2026-000061292

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061292) never changes.

Identity and time

Publication numberOT-2026-000061292 · never reused
Internal UUID01a0ae8b-1384-7f2f-84a8-3ad208238975 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061292
StatusPUBLIC

Content hashes

Canonical text62005faf542749bb3c3b88ef2f10bb0875f412b762d9bf95171495e5dde93c1f
Markdown53b5f6e4a1ae7dca801efcafe44bc9c8d5e12192a118143c73affadd3c95691f
PDF
Publication page1ab050724ac3f738647c7be446f69519237cbab151ca07f83b226115e3c55291
Manifest53262dfcd257bc4fff3a338cff86d4a1b0595e628572f7933bc3416ebd680be7

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
SignaturedSMTiWIyM3X6GIoTTOabH09TC25LDtGQegAncLA2U4duNg7cegCpZCBY+Co39b0q/C+HYpRO3RDp9Vd48ExRBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:43.076912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061292
observed 1ab050724ac3f738647c7be446f69519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.059267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061292/manifest.json
observed 53262dfcd257bc4fff3a338cff86d4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.042182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061292/publication.md
observed 53b5f6e4a1ae7dca801efcafe44bc9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.024010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061292/publication.txt
observed 62005faf542749bb3c3b88ef2f10bb08...
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.