OpenTechnical

OT-2026-000069557

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000069557) never changes.

Identity and time

Publication numberOT-2026-000069557 · never reused
Internal UUID01a0ae90-b52b-718f-bd37-81d42dcd6db7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069557
StatusPUBLIC

Content hashes

Canonical text517d156608ed7b61f43e4390377b5e698beefaa7cc7780c564a46318a6677bd9
Markdowna892fb88a8d423dd1f53d0eef9a11bf4bf162f899d83b0e5a25d90d58f3811a6
PDF
Publication page038e327e2c86a2a96739be41dd1e0579cff557be0ec194ed30f974790dcade64
Manifest0a486bd9b87a702b2607141c401f26553498323a6691d4b073bed9e862e81101

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
SignatureWc9RpRoaEYrDTiSAdUgVw+qNykwTOaN03x3Q00JOKMCo27xXyRuiatgaPeEvg77K1/I+NDCqQXgzdbw9nVFEBQ==
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

2026-09-17T10:30:40.439542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069557
observed 038e327e2c86a2a96739be41dd1e0579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.418604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069557/manifest.json
observed 0a486bd9b87a702b2607141c401f2655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.397757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069557/publication.md
observed a892fb88a8d423dd1f53d0eef9a11bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.377134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069557/publication.txt
observed 517d156608ed7b61f43e4390377b5e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.514398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069557
observed 038e327e2c86a2a96739be41dd1e0579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.498282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069557/manifest.json
observed 0a486bd9b87a702b2607141c401f2655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.480601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069557/publication.md
observed a892fb88a8d423dd1f53d0eef9a11bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.464217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069557/publication.txt
observed 517d156608ed7b61f43e4390377b5e69...
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.