OpenTechnical

OT-2026-000081659

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, sustained 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-2026-000081659) never changes.

Identity and time

Publication numberOT-2026-000081659 · never reused
Internal UUID01a0ae97-0f73-7d20-879b-fb3792a897bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081659
StatusPUBLIC

Content hashes

Canonical text1da41a896671030e3a79c901266620280d3f8be3050acaec9ab2552fd31f76c3
Markdown2bd446b7af790552bc64d45672fd8b25e0e6b56c0e52fb8c56e687a54ff366c6
PDF
Publication page66ca9361674f0ee8c6688ef801a06de6ceb3671bb08b9df4973329d2a7d89450
Manifest8bd5454c356bac9c5209e61700fd0c23c35d33a4816b45664b268348282c8d1d

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
SignatureXY5nJfSyCSqVJLMUnWq3SrViAVrt2617ePqNctAuDyvZSpS30DSh+jKqGZqsbLIgsTxFy0uPrY6cTSZGwYXjAw==
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

2026-09-17T09:59:42.862333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081659
observed 66ca9361674f0ee8c6688ef801a06de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.845909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081659/manifest.json
observed 8bd5454c356bac9c5209e61700fd0c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.826101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081659/publication.md
observed 2bd446b7af790552bc64d45672fd8b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.808575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081659/publication.txt
observed 1da41a896671030e3a79c90126662028...
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.