OpenTechnical

OT-2026-000069529

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000069529) never changes.

Identity and time

Publication numberOT-2026-000069529 · never reused
Internal UUID01a0ae90-b52b-7c12-8119-81b5adc4e8f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069529
StatusPUBLIC

Content hashes

Canonical text3296142f1e7ac28e8a28965d6be7b9c5a94443fd18d4b780de94278b8d8fd940
Markdown67f927fa5ad6bc96b773401e1c112c4f3d714db1373726dc701826454091221a
PDF
Publication page35b1655c25439c5f3b9d474c76d18363f6dfd08dbfbef1adc3c32059ab17a835
Manifeste0b110af89de216dee384f12d8cfea2cc4ad11e0208fb8dc3db8a81ed98de6d4

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
SignaturetwV97o5bQ8jYgAI+00RDA/KEAbNgFbznphK+gwNU1kxaRSGh7IdqLi+DRY4inTkchyK2+iELuVw1hJjcdVX2BA==
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

2026-09-17T10:30:37.422959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069529
observed 35b1655c25439c5f3b9d474c76d18363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.406201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069529/manifest.json
observed e0b110af89de216dee384f12d8cfea2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.386033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069529/publication.md
observed 67f927fa5ad6bc96b773401e1c112c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.365273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069529/publication.txt
observed 3296142f1e7ac28e8a28965d6be7b9c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.490332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069529
observed 35b1655c25439c5f3b9d474c76d18363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.470814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069529/manifest.json
observed e0b110af89de216dee384f12d8cfea2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.452016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069529/publication.md
observed 67f927fa5ad6bc96b773401e1c112c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.430987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069529/publication.txt
observed 3296142f1e7ac28e8a28965d6be7b9c5...
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.