OpenTechnical

OT-2026-000008405

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off after 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-2026-000008405) never changes.

Identity and time

Publication numberOT-2026-000008405 · never reused
Internal UUID01a0ae6a-e469-744d-b61a-d4bffb0f9aee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008405
StatusPUBLIC

Content hashes

Canonical textdecf9fb31a7db61e96af362052963543910cfe88a5805648d476c0dcb447eba5
Markdownbac0d914f0c6ab82b99fd35823571e33d8a3294f7dacc1fae481aa77003304b5
PDF
Publication pagee685f78e2168cf55410ada6f1490ec5167436cdbb776341f990f27425c8e59f5
Manifest12bc4d84cde89c173aaf646896974366facc269c1af9114d4fe05956d553c557

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
SignatureiQC0St0J+UBb+FKf9fClXoc57AYMeZBkWxMvmp10DSmpKsRKUX2hYK428bONaLFAKvBWt50AdFSI3mMoYv6FAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:14.974516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008405
observed e685f78e2168cf55410ada6f1490ec51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.955394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008405/manifest.json
observed 12bc4d84cde89c173aaf646896974366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.939616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008405/publication.md
observed bac0d914f0c6ab82b99fd35823571e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.923330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008405/publication.txt
observed decf9fb31a7db61e96af362052963543...
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.