OpenTechnical

OT-2026-000007094

Publication integrity record

Vacuum cup gripper, pump fed, pressure verified, pulsed blow off before set down, polyurethane 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-2026-000007094) never changes.

Identity and time

Publication numberOT-2026-000007094 · never reused
Internal UUID01a0a972-7cd2-7da8-aa8a-0c468e3ccf1c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:00:47.701161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007094
StatusPUBLIC

Content hashes

Canonical text0d54c93fd784abbe2e12c4effe88a42fa854cd7634d06cd45fd8229e5d6c2f94
Markdownb4ea79624665c630abaa1c3fc78b418325894fec298595040e8048e9134f3710
PDF
Publication pagea43ca1fc01077fb4ee081134e8ceb2ae01b7eb9dbb4685bd151f79620e49bb0f
Manifest7cad03a895939b04293a147fe78f224ad1e2d815f7c6f339ae523a24766f7ee1

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
SignatureATO+xXRQmvy3Cbmomvi0yQtw8pWyExtdhwt6uP2+HKbPCFUWA+HS9OVa2LeQmOrfEo54dKycV3ZCUbbEJSK+BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:27.740310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007094
observed a43ca1fc01077fb4ee081134e8ceb2ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:27.725601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007094/manifest.json
observed 7cad03a895939b04293a147fe78f224a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:27.712253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007094/publication.md
observed b4ea79624665c630abaa1c3fc78b4183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:27.699048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007094/publication.txt
observed 0d54c93fd784abbe2e12c4effe88a42f...
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.