OpenTechnical

OT-2026-000101423

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000101423) never changes.

Identity and time

Publication numberOT-2026-000101423 · never reused
Internal UUID01a0aea4-0e14-75f3-bdf7-46cfd644d46f · 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-2026-000101423
StatusPUBLIC

Content hashes

Canonical text68aaced19f8736ea66adddf0c249b3ad84d3eb281ff8f353f9ecd7119f063cf3
Markdownd16dda50fb2ec2e156e671b4eea67355384b5b13455333ec9d1eafbd81aca98c
PDF
Publication paged5b725a4a0e67a773509f40518d1bf05b7557eef687081534405554afb985f9b
Manifest5c888b38ef78c7a8780dd301e1eca386afed76e9369c266487e0ce7c74523922

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
SignaturebjnF1tojk8qOh0VJbXcOJpB7UZrL0LsKWFUE3YHpVCk8MWNpPkblgXnBWIcenw2gRgAxKRkKww8Vqoawzaz5Ag==
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

2026-09-17T09:25:58.491382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101423
observed d5b725a4a0e67a773509f40518d1bf05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.474192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101423/manifest.json
observed 5c888b38ef78c7a8780dd301e1eca386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.455348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101423/publication.md
observed d16dda50fb2ec2e156e671b4eea67355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:58.436522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101423/publication.txt
observed 68aaced19f8736ea66adddf0c249b3ad...
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.