OpenTechnical

OT-2026-000052471

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, 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-2026-000052471) never changes.

Identity and time

Publication numberOT-2026-000052471 · never reused
Internal UUID01a0ae84-573a-7f55-812d-996f232b8f8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052471
StatusPUBLIC

Content hashes

Canonical textd1f2cf834266c96201109682c8bef08035af323236ef92baa769677006f308ac
Markdown95946f94d4ac81ebe7c430deefb230cc2d230c1c0b9acb9cde57d520f98f1960
PDF
Publication page218db47090c5d0165db64bb14f8d19b039e3b03785cabaf5ac34fce8bc521787
Manifest17748ab0cc9290603745e5862006672771f8c6a7ba548739d6d4b1b0927b970d

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
SignaturenchPxcDBg/+CxhoGCuE2a+7MTl+vBb7HS8DLZ3+Vs7CK8jhZ2KOMr+qJ8Gw8/ucDDdA9XnokDGzS07TMWHGpDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:06.040883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052471
observed 218db47090c5d0165db64bb14f8d19b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:06.021855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052471/manifest.json
observed 17748ab0cc9290603745e58620066727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:06.003805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052471/publication.md
observed 95946f94d4ac81ebe7c430deefb230cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.982731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052471/publication.txt
observed d1f2cf834266c96201109682c8bef080...
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.