OpenTechnical

OT-2026-000089346

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089346) never changes.

Identity and time

Publication numberOT-2026-000089346 · never reused
Internal UUID01a0ae9b-db01-7db2-9463-d0a2838a9604 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089346
StatusPUBLIC

Content hashes

Canonical text8941e6f0d56d43e36327c8ac7da1fba0f3eb237dd1063eb0dbae709f61377a67
Markdownb0899889c6d07dfce61c3ae9fb74942657dd9bcd069b9c788dbd679d581b4634
PDF
Publication pagea20caae6b97eb76508e3395dca8154ae578a8ddc811964407f4b9c4ba8affb7b
Manifestaf357a0de369cce2ed30d9528281ff9b7e46471e0a7339f104e6f3a2a070e4c2

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
SignatureaxOz27+IyLgmFmWopm82K1oZXIfGcQK34Xq+aZuGuq5l9i3Uz2l0MozO8ng2wOb1pr17nIc7gqexUjUijca3Dw==
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

2026-09-17T09:47:24.069967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089346
observed a20caae6b97eb76508e3395dca8154ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.053593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089346/manifest.json
observed af357a0de369cce2ed30d9528281ff9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.037874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089346/publication.md
observed b0899889c6d07dfce61c3ae9fb749426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.021011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089346/publication.txt
observed 8941e6f0d56d43e36327c8ac7da1fba0...
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.