OpenTechnical

OT-2026-000067376

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000067376) never changes.

Identity and time

Publication numberOT-2026-000067376 · never reused
Internal UUID01a0ae8f-6bd8-77da-9f02-3a5a37736c44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067376
StatusPUBLIC

Content hashes

Canonical text10d74aadec747fb6848e3437ce2e1d137a7bbf2fb3f64894546159347eaec199
Markdown9dcf7aea81bac8207ec18b9d40e7a1d703072beaf9465c299b09d9a79ce8c0f8
PDF
Publication page091015a02618c9291a1ea1dc7b778be926dcb26d43a4fa97c026b248e29a102f
Manifest1f85d3c573bd00840874b6237055c3c581716ccbbc554af1258a9948e6b980ef

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
Signaturelkpzd5GjhJcKA1wfJt7PhZsvmBngmP/1LDuJQTqLZcPupey1jGva8oNfFaXLFMelWFOzvmqTbc+VA6s4sjNIDA==
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

2026-09-17T10:31:33.836743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067376
observed 091015a02618c9291a1ea1dc7b778be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.818840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067376/manifest.json
observed 1f85d3c573bd00840874b6237055c3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.800617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067376/publication.md
observed 9dcf7aea81bac8207ec18b9d40e7a1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:33.784801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067376/publication.txt
observed 10d74aadec747fb6848e3437ce2e1d13...
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.