OpenTechnical

OT-2026-000079093

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000079093) never changes.

Identity and time

Publication numberOT-2026-000079093 · never reused
Internal UUID01a0ae95-ccbf-7ed8-8d6b-4e2e4ed6451d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079093
StatusPUBLIC

Content hashes

Canonical text0af6e3769bbc530d1143a7a35ed13aefde85a216e68bf28478497871fd50cd9f
Markdown0cf68c8433a4f901dee93ef8ed6d1db81cfd48f11686655835f7e1ec6a19c04e
PDF
Publication pagee579b1e315c8b196e096612b65735c6582e3d305abf6f0050736625c55404543
Manifest94fcb2c9cb62a0f6d6095191dffdb51e295f3f97517e6db4fb7d4a717689880a

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
SignatureHIbUh/q/XKp+wIOTQ11fJX4/62zaots1oaf7c3gTkXwaq1750kO/AvhDUzYnskCrqH7Hoe72gdsKtkrkRzYKBA==
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

2026-09-17T10:05:56.243947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079093
observed e579b1e315c8b196e096612b65735c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.225029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079093/manifest.json
observed 94fcb2c9cb62a0f6d6095191dffdb51e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.206009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079093/publication.md
observed 0cf68c8433a4f901dee93ef8ed6d1db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.187759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079093/publication.txt
observed 0af6e3769bbc530d1143a7a35ed13aef...
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.