OpenTechnical

OT-2026-000069635

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000069635) never changes.

Identity and time

Publication numberOT-2026-000069635 · never reused
Internal UUID01a0ae90-b52c-744b-a2ec-c969d086a538 · 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-2026-000069635
StatusPUBLIC

Content hashes

Canonical text85423761b0450bf9d548c3a0538039327642f64f7804abe6fbfc7076708a88e7
Markdownec2cd1038c0fdae0d1fbe8b5c8968b048aeb25507b97ae6638c9ea3410702255
PDF
Publication pagea24f55a20fcf0845f19f02a9afe9d5ed00acd442b8173ca1e4bd4c1e52a3156c
Manifesta7113ef23cffac6cbe7e1078458db8751c912ffd13b1797e923446c5a1a146f0

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
SignaturedWYkL6GhRtPZajU19TA2jAk0ZUxBLmsI3WT7ALUw0W2wPQOr0Yx/WjWqxkf6NerRaHq9HvjmyjwaxJA5l/P7AQ==
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

2026-09-17T10:28:18.121198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069635
observed a24f55a20fcf0845f19f02a9afe9d5ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.103801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069635/manifest.json
observed a7113ef23cffac6cbe7e1078458db875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.084527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069635/publication.md
observed ec2cd1038c0fdae0d1fbe8b5c8968b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.063653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069635/publication.txt
observed 85423761b0450bf9d548c3a053803932...
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.