OpenTechnical

OT-2026-000068504

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000068504) never changes.

Identity and time

Publication numberOT-2026-000068504 · never reused
Internal UUID01a0ae90-2481-79e2-af43-db00b4b7bc81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068504
StatusPUBLIC

Content hashes

Canonical text9b61771d81494128788b3b9a36573731a6c9347d4fe0ad8602fb62f8341a5144
Markdown58049e3813af37cd6067d0b6b695a3fcf29eaac3bca37d22dd62797fece4a073
PDF
Publication page38b3d152dee700907e600e5cd1784fa8f32983ca0b5412bc96278a4eaba574f3
Manifest5fb8e2c463f75ae67ced8cf424c63415aa9a34d7c414ce9727dc81c228f850fd

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
SignatureSk0UBQfvpArXkz9a5bFc6tISVS2Jc6iI7invZmG1AdRL/Dw47PU5jcUJ4YZOjA1wda6IHqkGbvGwtOmHJC04CA==
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

2026-09-17T10:29:39.765283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068504
observed 38b3d152dee700907e600e5cd1784fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:39.746213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068504/manifest.json
observed 5fb8e2c463f75ae67ced8cf424c63415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:39.727387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068504/publication.md
observed 58049e3813af37cd6067d0b6b695a3fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:39.708995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068504/publication.txt
observed 9b61771d81494128788b3b9a36573731...
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.