OpenTechnical

OT-2026-000059640

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000059640) never changes.

Identity and time

Publication numberOT-2026-000059640 · never reused
Internal UUID01a0ae89-ec24-73bb-b73f-c2c88508bcbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059640
StatusPUBLIC

Content hashes

Canonical text9a7d067945bc1a965dc444a165e5db53b14d1bd0c832a8d068204e2f0e7c7a90
Markdownba084f24e1d3ca7c7ea5bb643b088c90b0e4a008d942de10a8d1dfce01434d76
PDF
Publication page4b5e40399cea5015582cf5c978babb93cebec4373c2024c65352258d46ae57df
Manifest2aeb23459d4e23a480c4fbc7d3850ccc448402a0f3d682c8bc27b232b5209df1

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
SignatureH/tEZIJYgSBJI5CTEACOYczHr5xzRXdhPTdcH1kOsIZO6v19fukKYlDUFg3ZxUtfzJa6fZeoK7xuGDJedBoIDg==
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

2026-09-17T10:44:19.921221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059640
observed 4b5e40399cea5015582cf5c978babb93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.902678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059640/manifest.json
observed 2aeb23459d4e23a480c4fbc7d3850ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.883147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059640/publication.md
observed ba084f24e1d3ca7c7ea5bb643b088c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.864866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059640/publication.txt
observed 9a7d067945bc1a965dc444a165e5db53...
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.