OpenTechnical

OT-2026-000089774

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold 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-2026-000089774) never changes.

Identity and time

Publication numberOT-2026-000089774 · never reused
Internal UUID01a0ae9c-1a22-728e-80f2-7b8c98f464d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089774
StatusPUBLIC

Content hashes

Canonical text95a8b05428cd4a3d29c18c4c5c44733f33c3c4c82b200ed81506b3a630a54288
Markdownbeec1284e4668077f0faf8a277d871469c29c1d90c8f86a7805f1cac52e768eb
PDF
Publication page64b5e64384a7cbfc5b8c36bc464dad3c5cef071158f90692b8fcc1a0f29c49d7
Manifest23ec60be50dffe832497fc244275bc3ee2f7fbb0dcb5b1019ce31e104ded6a2e

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
SignatureoZQu7xvN3ZGIF9ebimKvVMQcOLkgmqdk/3v/CpcxKsFMEVWA8QDp6bgOKj2yO+yghlntclRVUeUJNlfM11asDg==
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

2026-09-17T09:46:51.713835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089774
observed 64b5e64384a7cbfc5b8c36bc464dad3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.697049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089774/manifest.json
observed 23ec60be50dffe832497fc244275bc3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.678666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089774/publication.md
observed beec1284e4668077f0faf8a277d87146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.662053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089774/publication.txt
observed 95a8b05428cd4a3d29c18c4c5c44733f...
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.