OpenTechnical

OT-2026-000045399

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000045399) never changes.

Identity and time

Publication numberOT-2026-000045399 · never reused
Internal UUID01a0ae7c-f76c-739f-9bc5-3b7481193791 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045399
StatusPUBLIC

Content hashes

Canonical textb1c0d443c8d0b0bbc2b93dffc0e4f17acf430deb6693032baa900baedc5adc48
Markdown4a809bdf26af516557f2d5377ead68efedd3cf98a722a55c558744bfe58ad542
PDF
Publication pageb125222a98972cdfcc5f219dfd9b868f7fa017627da0fcbf1d7f66999bc64429
Manifestcaf93678c2156f885484d315fad1676f7e0ec31e059d980fac534394385c8f85

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
SignatureDpXa5LLFU5Hxo4CI6Iec82cAakkBXsIRqMH4aHpPKUTbdvGX+Hi5PJoYVGOd8hVcOKCAwUKQXxHj/9dxLDqgBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:41.090527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045399
observed b125222a98972cdfcc5f219dfd9b868f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.070206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045399/manifest.json
observed caf93678c2156f885484d315fad1676f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.051904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045399/publication.md
observed 4a809bdf26af516557f2d5377ead68ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.034041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045399/publication.txt
observed b1c0d443c8d0b0bbc2b93dffc0e4f17a...
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.