OpenTechnical

OT-2026-000097245

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line 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-2026-000097245) never changes.

Identity and time

Publication numberOT-2026-000097245 · never reused
Internal UUID01a0aea1-01ca-705c-a01d-9273b20310e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097245
StatusPUBLIC

Content hashes

Canonical text72dc5af0f87149674f19efb15835400ad18cb26e76ae0d932a775175322312ba
Markdown4b24d8b312a28c216841bf222c7feba1e4e59bdf14e0c17b0086a572477c02cc
PDF
Publication pagef3e012aad64a3fe34838f15eb034434ed02f54591e31cc1eb63b52ce296a90a4
Manifestdb4d889496563854396974f21fba11673a994b9db7a2b0fa8bfc7b86460a6807

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
SignaturejmdxUOuqe2EOknrYbI76/wCPA7F/H11uPiSy3f1dMFp1xshxCKcxkb90a222wkgdzGWzv3xHCjHzXm0p2wbcDw==
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

2026-09-17T09:33:29.829197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097245
observed f3e012aad64a3fe34838f15eb034434e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.807381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097245/manifest.json
observed db4d889496563854396974f21fba1167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.789525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097245/publication.md
observed 4b24d8b312a28c216841bf222c7feba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.772689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097245/publication.txt
observed 72dc5af0f87149674f19efb15835400a...
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.