OpenTechnical

OT-2026-000005878

Publication integrity record

Porous face vacuum gripper, two zone face, three stage ejector, vented 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-2026-000005878) never changes.

Identity and time

Publication numberOT-2026-000005878 · never reused
Internal UUID01a0a947-e189-71c0-94cd-953df635b2e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:14:15.436791Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005878
StatusPUBLIC

Content hashes

Canonical text3a5d5067a68189c9945d3237af4c2a3e6ea202f2fe6a49dc348bbd45d1278c14
Markdownc5fa6eabd44418d3d79fc2a236eecf4f3384c8914226fbb6e7b9785698ec1980
PDF
Publication pageedcb906afe72785c0d66ee5ec34f8261d1433a6c5763446408028a18e63e48c0
Manifestdf718fe267cd018b2819fb62fb94b9a380e38443f84a7c9efc1b73422df31b85

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
SignatureZoA1CRq6VTPq8WJoOO4JzF3XW3opper+jW6uWk86Rp2Jo4wpRlZ1ormCDeTs2JEb0Fhe9ioQFR1+eT+YMqbzCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:22.455455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005878
observed edcb906afe72785c0d66ee5ec34f8261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:22.437426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005878/manifest.json
observed df718fe267cd018b2819fb62fb94b9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:22.424538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005878/publication.md
observed c5fa6eabd44418d3d79fc2a236eecf4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:22.410918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005878/publication.txt
observed 3a5d5067a68189c9945d3237af4c2a3e...
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.