OpenTechnical

OT-2026-000069931

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000069931) never changes.

Identity and time

Publication numberOT-2026-000069931 · never reused
Internal UUID01a0ae91-1860-78b1-925a-67461ceb1903 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069931
StatusPUBLIC

Content hashes

Canonical text9e7708a2b7dad1a14cb98b9fe5d52ecb5a2f2463d0d07dee62663c0a03de9fe7
Markdownf17d938218a3232df47d9552992e6ea9d3366f9d1dcc2c0049cea615d182d47d
PDF
Publication pageae2f79de466bacce3ea097ecd4739503181a6a58c330c8d63ec63b09efb2aa31
Manifest2c2e40840099476d585cb6a304f75c938bcd672e82e9cd123efc37e272709b6e

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
SignatureKxikW5s9DeUzzx69eIDxGhN2qiOlT9plWKSb8bIBrxFGDxtMmN9FWxvKj+YLB9ZlUwt/1J0bdRzZ7gpX6mu3AQ==
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

2026-09-17T10:26:52.174155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069931
observed ae2f79de466bacce3ea097ecd4739503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.156920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069931/manifest.json
observed 2c2e40840099476d585cb6a304f75c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.140139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069931/publication.md
observed f17d938218a3232df47d9552992e6ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.121052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069931/publication.txt
observed 9e7708a2b7dad1a14cb98b9fe5d52ecb...
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.