OpenTechnical

OT-2026-000099711

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000099711) never changes.

Identity and time

Publication numberOT-2026-000099711 · never reused
Internal UUID01a0aea2-c977-79e7-aca3-80a1c7def6eb · 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-2026-000099711
StatusPUBLIC

Content hashes

Canonical text8ad464c36df03249fb2e2186ed0b027598c4e55605685cdd51218342374a028f
Markdowncd997cb595c69047f82a025db468abaaeeaad3e0c97bbda6723186d043980fa9
PDF
Publication pagec143245aa96e5f5aeac7cdd48e065ab94ed66276d4c71a4e5ca3ac7cce94bb44
Manifest387e85143252500884ead073a9125f4fd5b1459060a6970ba2ed04f7280b87ce

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
SignaturemVEL9b5wajUUKz64ILrMc3ZakvSAAhu79DSpIu3543BOs9P122/rtnHqgIP+gCEUMMbay4F0CE/lA0uQ3WsfCw==
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

2026-09-17T09:29:43.662922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099711
observed c143245aa96e5f5aeac7cdd48e065ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.646999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099711/manifest.json
observed 387e85143252500884ead073a9125f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.628395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099711/publication.md
observed cd997cb595c69047f82a025db468abaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.612463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099711/publication.txt
observed 8ad464c36df03249fb2e2186ed0b0275...
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.