OpenTechnical

OT-2026-000061918

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000061918) never changes.

Identity and time

Publication numberOT-2026-000061918 · never reused
Internal UUID01a0ae8b-b8ad-7eff-9217-ed2163bc8536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061918
StatusPUBLIC

Content hashes

Canonical textdb6fc9163c69a30d2b566e9a7f3ed403f9e07e548a9596d0ef001de9093cb499
Markdownbbc3053d34e2d28743ea31e1d2a24bdcf2d9dd70d8c5b26fe0ff4ff52d0db66e
PDF
Publication page85ce4d8ce15ed12c7cf92cda75ee9b3a71ab2e9c8f3fd64ade9b131f5f95bd17
Manifest863fa310773b588b832d107e242a4538a97caae119418146fa9b9fffa515aeb2

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
Signatureom5ss4kucPZ4SPNG0Ktx8K+gSCXZATwtQEDUuREKlbnQFombkXvtgag671XG0obpm7W6LyOa0Ifzat48kQS8Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:48.031900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061918
observed 85ce4d8ce15ed12c7cf92cda75ee9b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.010965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061918/manifest.json
observed 863fa310773b588b832d107e242a4538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.989470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061918/publication.md
observed bbc3053d34e2d28743ea31e1d2a24bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.969368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061918/publication.txt
observed db6fc9163c69a30d2b566e9a7f3ed403...
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.