OpenTechnical

OT-2026-000026208

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000026208) never changes.

Identity and time

Publication numberOT-2026-000026208 · never reused
Internal UUID01a0ae71-a841-71b7-9092-3ec8c48f469c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026208
StatusPUBLIC

Content hashes

Canonical textb14c3be247a80bc0895b809ac5ef41ee75e850b28a36ace55de6b386de316faa
Markdown449d5bc3c10c0edf96a0f8e91ea8517bc93696e45e23ba3966c5802aebde0bd7
PDF
Publication pagef40b816204e75a15ca6ac9dd1c547e7a79183abb505ff60e6d6810d5907ff1db
Manifest6dc0df27983eda7cf075ccb5efc5e3ee579db876a57cf84a7e915c4529324275

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
SignaturewH+vzFAzrN/HuJTXkOFO8tVNiy/aaB3Wukwd4D5EJYXq9eBNbLySAzYYq4Pbd2WNmFnypcbOqmcZuSxiFw2iBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:43.453831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026208
observed f40b816204e75a15ca6ac9dd1c547e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.437187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026208/manifest.json
observed 6dc0df27983eda7cf075ccb5efc5e3ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.419620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026208/publication.md
observed 449d5bc3c10c0edf96a0f8e91ea8517b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.397211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026208/publication.txt
observed b14c3be247a80bc0895b809ac5ef41ee...
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.