OpenTechnical

OT-2026-000069888

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented before 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-2026-000069888) never changes.

Identity and time

Publication numberOT-2026-000069888 · never reused
Internal UUID01a0ae91-1860-7a8b-948a-139427e3dcf3 · 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-2026-000069888
StatusPUBLIC

Content hashes

Canonical textcb70943a162018252b7aefbb438704b508a87ddd00d64570a1008c50cca1d90b
Markdownd7097853a08da0bc6287f5d2d61b37485cfda2fdd1b25665257c09d139353d54
PDF
Publication pageb538a1992d83c432dcaa1b623631b16fb6afded462547b10100c87afdf1ecffd
Manifest1f49329286592a8125bfe6c13e3ac58d413b15d6787081733462d33ffcdb0b79

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
SignatureFAejtXcZ8VckvbgI+G7C4kkHWFBkM8WrvUbZRUyw1NL7Dq5HeU84+siGWiH6ZHOGWN9TSHmWlyespgTl54GHAA==
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

2026-09-17T10:26:43.232284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069888
observed b538a1992d83c432dcaa1b623631b16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.214659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069888/manifest.json
observed 1f49329286592a8125bfe6c13e3ac58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.197332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069888/publication.md
observed d7097853a08da0bc6287f5d2d61b3748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.177447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069888/publication.txt
observed cb70943a162018252b7aefbb438704b5...
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.