OpenTechnical

OT-2026-000059447

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000059447) never changes.

Identity and time

Publication numberOT-2026-000059447 · never reused
Internal UUID01a0ae89-8617-722f-9094-1cda0eabd495 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059447
StatusPUBLIC

Content hashes

Canonical text8763d5edfb5e7682166684a7b9743bfac47683efa5739d6638af9dfa1afb9b2d
Markdown83cbd7d48ae363ef20c83d37f9476956da0b6c767dbf973388befc45c081cb5e
PDF
Publication paged4b0fb8cdfccac4c283a07dfdcc2cf751c4dc3075af9b10d2fcc9a1bc48e4e91
Manifest739540d323930cc3839bb0cb2dd47f2a89749232e1d1965fe45e5f10d670f3bd

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
Signaturem7iuSMjD6cMCO/35MD6ru5StjpNPqhaU2nDWkVtg5XJjJE7vWqzM/4yrwAsXMwFrexUUqYsZwzZlVkpU/9VeDw==
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

2026-09-17T10:46:08.558806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059447
observed d4b0fb8cdfccac4c283a07dfdcc2cf75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:08.541242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059447/manifest.json
observed 739540d323930cc3839bb0cb2dd47f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:08.524997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059447/publication.md
observed 83cbd7d48ae363ef20c83d37f9476956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:08.509645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059447/publication.txt
observed 8763d5edfb5e7682166684a7b9743bfa...
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.