OpenTechnical

OT-2026-000070215

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000070215) never changes.

Identity and time

Publication numberOT-2026-000070215 · never reused
Internal UUID01a0ae91-1862-7ebb-afe5-0f1dc0d663e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070215
StatusPUBLIC

Content hashes

Canonical text8773d98082b7cf01863e324c9de327af574777101f4a24a81a78c34f4aea19c2
Markdownef0cff8bd2c033cce58757f304c636032bac838b1d8126aa5e65e83d6206551f
PDF
Publication page7e484fa8856ee64e5b25e5636eddbef9c3cbf01656d53c91b2938f38f4231209
Manifestcd2f289f42b8c4617a12d6a7e10ca13bec880a7e426e2f13994a6598430160b5

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
SignatureYPVISQKgpvpdy7bhgFMJlirp8Fvjy/diFv4zNYHJdDFDTavQvjPzTva84jWTYZAnHj87kgO94rVX9hIcRSTtCg==
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

2026-09-17T10:27:16.289592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070215
observed 7e484fa8856ee64e5b25e5636eddbef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.270372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070215/manifest.json
observed cd2f289f42b8c4617a12d6a7e10ca13b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.253321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070215/publication.md
observed ef0cff8bd2c033cce58757f304c63603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.235297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070215/publication.txt
observed 8773d98082b7cf01863e324c9de327af...
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.