OpenTechnical

OT-2026-000069978

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000069978) never changes.

Identity and time

Publication numberOT-2026-000069978 · never reused
Internal UUID01a0ae91-1861-71ef-b59f-f771fc6d2f02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069978
StatusPUBLIC

Content hashes

Canonical textf95f9de2c5046034be3e5b66b66ec92d98f97c7e8c50090658fd262224c4ac15
Markdown4cac0cc3161430099020d7f180480aec7a4632a1006e04609fd9c8edb2aada13
PDF
Publication page497a3325b0c60d72757adada2427da71f59d5b66367ab0789ab5b25a408c6191
Manifestf550eb47ece56c32a9805d5a6023542e62edd9e3243c2c4b9236adc6a0541f0c

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
SignatureV2aYSaBofMIlFu07pVfswe+6YeHjGjmoGS06T5vTW/K6k0YMWfIlg0SznvS3gH4YcUX52QWvj+VPdPxOvcC9CA==
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

2026-09-17T10:26:55.294144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069978
observed 497a3325b0c60d72757adada2427da71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.277757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069978/manifest.json
observed f550eb47ece56c32a9805d5a6023542e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.261277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069978/publication.md
observed 4cac0cc3161430099020d7f180480aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.243908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069978/publication.txt
observed f95f9de2c5046034be3e5b66b66ec92d...
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.