OpenTechnical

OT-2026-000089789

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089789) never changes.

Identity and time

Publication numberOT-2026-000089789 · never reused
Internal UUID01a0ae9c-1a23-7361-9dbd-5531334fb39f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089789
StatusPUBLIC

Content hashes

Canonical text6e89c2076cdb188750ad002966195673621ced77383f3fd8abb89a59ba67d561
Markdown7ec942eb9789bc0a8af3ee877fe44ca26dfc6d1fad7b13f3aac772a700cb100d
PDF
Publication page0033a4e53622f1dfe4cb286be2da209ec7500b95b10f781c94cbfd67aab2885f
Manifest0888194f39ab69fecc4e1f4fa45f684a1e771a6f47019d7ee9e206eaf1487df7

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
SignatureQ014EQGOEW4lspls2IXA2DBnODRPM9U4X3evu7ba3jvk5GYXmytsT2O6X7rxFrj74ojWqar8luxTyu5o4kwVDg==
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

2026-09-17T09:46:52.835388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089789
observed 0033a4e53622f1dfe4cb286be2da209e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.818960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089789/manifest.json
observed 0888194f39ab69fecc4e1f4fa45f684a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.801275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089789/publication.md
observed 7ec942eb9789bc0a8af3ee877fe44ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.782992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089789/publication.txt
observed 6e89c2076cdb188750ad002966195673...
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.