OpenTechnical

OT-2026-000075711

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000075711) never changes.

Identity and time

Publication numberOT-2026-000075711 · never reused
Internal UUID01a0ae94-29fd-71f0-90e8-944630a76ce9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075711
StatusPUBLIC

Content hashes

Canonical text68e0a85c2755559f40b2dff93139b80f679e23ffd0d410d344cdcc0e6abbc737
Markdown7b583fa42787d83baffe04473260b2b3fd08a353c3f8cfcfd27fe02291dcd228
PDF
Publication page9b037095d3607c24aa1b9cd1e8aa5f5f10b08fa676bc9aa89d926791465b64a7
Manifest8926cc096f626731dc2e8134578abcd6f4a7f71e2a69f4786f805db6ed7271ea

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
SignatureVNghglNWeP2mriprVkjdDkPHReM48R/FH+hB6/bda3mQGewLqhv3qJyaY4dtra3mn7Bq6ziyBiDGEUdryxj+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:56.483551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075711
observed 9b037095d3607c24aa1b9cd1e8aa5f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:56.465561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075711/manifest.json
observed 8926cc096f626731dc2e8134578abcd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:56.446745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075711/publication.md
observed 7b583fa42787d83baffe04473260b2b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:56.300822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075711/publication.txt
observed 68e0a85c2755559f40b2dff93139b80f...
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.