OpenTechnical

OT-2026-000075491

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000075491) never changes.

Identity and time

Publication numberOT-2026-000075491 · never reused
Internal UUID01a0ae93-f202-7034-bfc2-c863ea932927 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075491
StatusPUBLIC

Content hashes

Canonical text5d7e589f7cb7bb19650aeeb2ccdfa835ce044fd4128e98f7e80a229acfa47e67
Markdown984c6135a1f6095198396b81032f0279ce282c7532e439bff67f94241eb26a13
PDF
Publication page7f4c63fd7f955e3a44710d20e096e42e7d514b57874b9664c19ae499db344b8e
Manifest72322ad83fc5621fdbad0b755ee765b64915c5bff3a5e76c37ccc489a435e9b8

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
Signaturepf+ZduDIVqpxhHWJg9TkzhJwY6JYeaupvLGVUVBgpLhfxTyLrF6sRb0HdBXzawkYZYlXY23bHoC7klAgtdiQCA==
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

2026-09-17T10:17:52.261333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075491
observed 7f4c63fd7f955e3a44710d20e096e42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:52.238460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075491/manifest.json
observed 72322ad83fc5621fdbad0b755ee765b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:52.214647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075491/publication.md
observed 984c6135a1f6095198396b81032f0279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:52.191443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075491/publication.txt
observed 5d7e589f7cb7bb19650aeeb2ccdfa835...
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.