OpenTechnical

OT-2026-000075663

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000075663) never changes.

Identity and time

Publication numberOT-2026-000075663 · never reused
Internal UUID01a0ae94-29fd-717e-960e-d8c2e4f0e38f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075663
StatusPUBLIC

Content hashes

Canonical text8e871a473a9a3806c16d12c5fe78991041e625ef254636319bb6d692aeb2ba6a
Markdown4a32f80e4ebcbc08ecbf37d5873ac258bfc1c5de180f23a58dbe42ff8f76b250
PDF
Publication page5feba6a95f9d37e9534b3242e25e25054e8f0d8fd7004e21dd121ca7561677bb
Manifestf09d4fa35a9a9003db066140eaa471afcbe0fcdd9cd83d4333f87c9dddd4fb44

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
SignatureMJPujpWCGrjhq1SxErxqn7pPRnzqvZJO/PgM45kpPicaJC0mV9i/Uoha8x/0uN6YPSZI++ybyaw1EaTkBeXVCg==
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

2026-09-17T10:13:45.726285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075663
observed 5feba6a95f9d37e9534b3242e25e2505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:45.706048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075663/manifest.json
observed f09d4fa35a9a9003db066140eaa471af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:45.564802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075663/publication.md
observed 4a32f80e4ebcbc08ecbf37d5873ac258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:45.546038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075663/publication.txt
observed 8e871a473a9a3806c16d12c5fe789910...
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.