OpenTechnical

OT-2026-000070724

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000070724) never changes.

Identity and time

Publication numberOT-2026-000070724 · never reused
Internal UUID01a0ae91-8c2c-7605-b239-0ea8c5cf426f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070724
StatusPUBLIC

Content hashes

Canonical text80222a966ab343df2f3fe8eedf5a52951beabcce523711426608cc5c64a86768
Markdown5a088b7bb00fdc4cd0e9526a9be104efc873e44ec8fafebb222239311d6837a2
PDF
Publication page70a97626024b16cc3fc63626a5d23d027ce53a2a696a8445f38de0b5e6f4d895
Manifest3ecf0b78b87259be17385a9822611e3253d04f4807f393e33a917bdf0fb71ce1

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
SignaturevCTBYcLr4FePePvKBRy9eSUIPlxPbS5v6OSvxnOi0sPs7HLu5U5WT1FrRsxBw1c0ETrEtxFTxvkpunRqj8y6Dw==
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

2026-09-17T10:25:25.106901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070724
observed 70a97626024b16cc3fc63626a5d23d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.089549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070724/manifest.json
observed 3ecf0b78b87259be17385a9822611e32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.071488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070724/publication.md
observed 5a088b7bb00fdc4cd0e9526a9be104ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.054258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070724/publication.txt
observed 80222a966ab343df2f3fe8eedf5a5295...
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.