OpenTechnical

OT-2026-000099752

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, sustained 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-2026-000099752) never changes.

Identity and time

Publication numberOT-2026-000099752 · never reused
Internal UUID01a0aea2-c977-7d16-b946-1ea25166af21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099752
StatusPUBLIC

Content hashes

Canonical textef4b071b70d48f04af69e13d95a273bcf17b23f8d28322ffcb09f376a18b00c7
Markdownf287d1a05f4af6eb19eae4d10a3a4281442b19aa1688ef20cc8d4724d45a8b75
PDF
Publication page9c7098d366e14d9ae1427f06fd45d6d3f62bb750a2c446ee7a8e7f7af376edf2
Manifest7ce483018ecdc85485caebd8fc7f9a864c6d9cf875a4abed981e3a2049b83073

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
SignatureyONG7Nt5fISczoGQ8x3OLSIEaIbmTFizyre+ant/xqQG8a5aAlFLuTanQDQDyRdqIj3BS1u25eIfILIAAHpcBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:46.692848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099752
observed 9c7098d366e14d9ae1427f06fd45d6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.675716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099752/manifest.json
observed 7ce483018ecdc85485caebd8fc7f9a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.658951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099752/publication.md
observed f287d1a05f4af6eb19eae4d10a3a4281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:46.641975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099752/publication.txt
observed ef4b071b70d48f04af69e13d95a273bc...
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.