OpenTechnical

OT-2026-000088614

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000088614) never changes.

Identity and time

Publication numberOT-2026-000088614 · never reused
Internal UUID01a0ae9b-8f0f-74b4-bc3e-3bab75db9b1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088614
StatusPUBLIC

Content hashes

Canonical textcd1f958ed5d8284aa7a76a4e0518ad440e3d2c2c1c77b674480faa70bfcfcaa3
Markdown4d0823c74dc2f5e6356ed58ef3ea15718f92af01f58550641e13c7d105f2eb0c
PDF
Publication pageb3c95c1144a4414d6b7f35b9312bc7f42db660264d43d5dd91c76b82be3dfce5
Manifest3984504dd63dc7bd511f45658dad9fa23fc68de0a580f89d3d5b7142aeed9f18

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
SignatureSC9QPsHEm7jc4azqfICBQJYKaLamX/EStOOSxN9DYdnEuuNmkQ4Vb1+ICKv1VcGSKuAbypbFlrSjqRgrXcJEBg==
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

2026-09-17T09:47:49.272477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088614
observed b3c95c1144a4414d6b7f35b9312bc7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.256194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088614/manifest.json
observed 3984504dd63dc7bd511f45658dad9fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.235060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088614/publication.md
observed 4d0823c74dc2f5e6356ed58ef3ea1571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:49.177247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088614/publication.txt
observed cd1f958ed5d8284aa7a76a4e0518ad44...
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.