OpenTechnical

OT-2026-000069236

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000069236) never changes.

Identity and time

Publication numberOT-2026-000069236 · never reused
Internal UUID01a0ae90-b528-7f81-afbb-bd8086205cd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069236
StatusPUBLIC

Content hashes

Canonical text80863d9faba4212c9e21d8ea4bb304c1a1ad03fcf57b286292c9b87920037055
Markdownc1e1aa4570fcf7a6645a738268dc502a246abf5b9c4ea84758c9d1ada3b22451
PDF
Publication page9c01cc7d45dcfb252f533da5e7540a8ffc5ed87a39521120ec1803861b8e682c
Manifest2499055c2e00dbd472a62eb7ed5e124b98e9310cadd251a5461ae400b57fa5d0

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
SignatureibfhyHZqlkrhpKxjEYl57LA/ZG/QJOA6w5f10l9nOKR8IlfxRQIGAg5nS06Ppj0ZYHby0/v450TU2VbKkGhRCQ==
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

2026-09-17T10:27:18.335804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069236
observed 9c01cc7d45dcfb252f533da5e7540a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.318598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069236/manifest.json
observed 2499055c2e00dbd472a62eb7ed5e124b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.299193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069236/publication.md
observed c1e1aa4570fcf7a6645a738268dc502a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.281366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069236/publication.txt
observed 80863d9faba4212c9e21d8ea4bb304c1...
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.