OpenTechnical

OT-2026-000078432

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000078432) never changes.

Identity and time

Publication numberOT-2026-000078432 · never reused
Internal UUID01a0ae95-7c28-7f7f-b26f-440c86de9170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078432
StatusPUBLIC

Content hashes

Canonical text2560c369fb3560e4784e24a6865f751fbe946d2ab0407a3335851d4d740faf8b
Markdown9bcda97e7c649f8e9679e18095169d1cca1fdf40e617f1824088bf360aa376fa
PDF
Publication page0dfe6b61508c3303480f9ffa2447c0b71350328675ff20f816621543045c6810
Manifestf15149fc978ef5432f311a7e4b28cbc16b52c4eca00a863b2f0aba9d36be4c76

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
SignatureTDDHtd6GOak9sazAor00SBuPuaHcDOr7MjSqRT1IXK7TcTRnZU450C5AbUgf9RkhiyedtCi5PzbypwnxPdlqAw==
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

2026-09-17T10:06:25.750244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078432
observed 0dfe6b61508c3303480f9ffa2447c0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.732643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078432/manifest.json
observed f15149fc978ef5432f311a7e4b28cbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.714031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078432/publication.md
observed 9bcda97e7c649f8e9679e18095169d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.695851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078432/publication.txt
observed 2560c369fb3560e4784e24a6865f751f...
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.