OpenTechnical

OT-2026-000031823

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000031823) never changes.

Identity and time

Publication numberOT-2026-000031823 · never reused
Internal UUID01a0ae74-bad1-738c-91b7-94c7143e20a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031823
StatusPUBLIC

Content hashes

Canonical textcabc8e01c2729aac2d6fc7fdf31457c45eeab759c40047eb60c4e09f0e393058
Markdowna6dc3c5f019cad86897dd365fe02394d26f810f506c6177260f879f7fb88b447
PDF
Publication pageea4f5758682615c1d4583dd6e5ef6ce15a57cae9bb48737dec1595c274ca24d7
Manifestbcac8138769ba0994f6e46bb8e2f4cba756b4b8e236b65eb5ebad6a600ecabcc

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
Signatured/hC6ajyBMHPnMeumeuUEWfS7hm2DmNvZNhg01P2Fg/iRdtapwlcfXhSimJNJEDlsKm1WHa5E6+ibNYcSJ1gCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:35:03.597577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031823
observed ea4f5758682615c1d4583dd6e5ef6ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:03.547631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031823/manifest.json
observed bcac8138769ba0994f6e46bb8e2f4cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:03.441905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031823/publication.md
observed a6dc3c5f019cad86897dd365fe02394d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:03.400261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031823/publication.txt
observed cabc8e01c2729aac2d6fc7fdf31457c4...
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.