OpenTechnical

OT-2026-000101400

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000101400) never changes.

Identity and time

Publication numberOT-2026-000101400 · never reused
Internal UUID01a0aea4-0e13-7fd4-a959-aabf81471db5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101400
StatusPUBLIC

Content hashes

Canonical text607773fc76ee5b4cf9f8f0cfba3b1d38f4b50559895318463507a33837bbb5c8
Markdownd266199d02c25736ed6ac0a7c96d449adf1441cb7a2e706d3a78a204556fbd07
PDF
Publication paged01c171e14328665b5a8b7f4e25aeb079f5bac51813f19d201d2421e7ff14fea
Manifestfba6093147ea8dffeee76f739b6e6e8924f0e5461fbae53779224513f73ac62e

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
Signature1FRHIsCn/Wb+ppv7iZiGKQ7C1vbQvjzrpcsjj8ftKcEih6+4U/MYZFP45LuGlyX64EaWYfACePya8/JrceDzBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:56.249738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101400
observed d01c171e14328665b5a8b7f4e25aeb07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:56.230676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101400/manifest.json
observed fba6093147ea8dffeee76f739b6e6e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:56.213190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101400/publication.md
observed d266199d02c25736ed6ac0a7c96d449a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:56.192034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101400/publication.txt
observed 607773fc76ee5b4cf9f8f0cfba3b1d38...
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.