OpenTechnical

OT-2026-000068872

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000068872) never changes.

Identity and time

Publication numberOT-2026-000068872 · never reused
Internal UUID01a0ae90-6dcc-7e5f-8e6c-c7ab158e2b6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068872
StatusPUBLIC

Content hashes

Canonical text90ce0cd9786bb5208a590cebd2a28d36778020872b09853a5f5ad1e45c177671
Markdown2c353cb1d7e2c0fde1d1a5da0fa348a970d564a8ab399f4fd727408b74686fcb
PDF
Publication pageffaf60002d59b628d9d67f129bd66f07c836884f4e5e38a20ab1aef67522d923
Manifestdf13c9f1211b2384bc965ff0f15669ddc830ac4b032ddc8b24dd0d1739efff48

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
SignatureV60x0RmHz3YPZNWxgnGjZa6Pco5RZi51TAcKlo5dUjWehd6qTZ2k7Sbzc1C/qgc/U+h1x879ly+UQQidhOFlDw==
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

2026-09-17T10:28:41.301152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068872
observed ffaf60002d59b628d9d67f129bd66f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.283996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068872/manifest.json
observed df13c9f1211b2384bc965ff0f15669dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.266298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068872/publication.md
observed 2c353cb1d7e2c0fde1d1a5da0fa348a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.249013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068872/publication.txt
observed 90ce0cd9786bb5208a590cebd2a28d36...
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.