OpenTechnical

OT-2026-000005950

Publication integrity record

Bellows cup vacuum gripper, plant vacuum fed, pulsed blow off after set down, plastic cups

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-2026-000005950) never changes.

Identity and time

Publication numberOT-2026-000005950 · never reused
Internal UUID01a0a94a-3605-7943-855a-569086888dc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:48.136268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005950
StatusPUBLIC

Content hashes

Canonical text53ad04af2699e6005c6394bfc49977e57c62ba0f16c55b3730ac3fade47fb604
Markdown16f8e558d4f71ab62fefe61b84f695123755704567643a1682a355127f080c24
PDF
Publication page0fc69dd4103d2698535855eeedc7b04b24ca9e9dc343ef42ed70394427c8bc04
Manifeste56fb02d119e1cf057e147dfe78be6705827275ab950b7532886d5776d34c207

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
SignaturewJmebDYIgyuwdCxgfBQdhx5kJZGhQM9qXRcWp5i56sqhRvzLX21XqNWr+WTD9kf2SlSY85r3yQ6ZE81+d43kBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:13.711092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005950
observed 0fc69dd4103d2698535855eeedc7b04b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:13.696140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005950/manifest.json
observed e56fb02d119e1cf057e147dfe78be670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:13.681584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005950/publication.md
observed 16f8e558d4f71ab62fefe61b84f69512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:13.666288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005950/publication.txt
observed 53ad04af2699e6005c6394bfc49977e5...
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.