OpenTechnical

OT-2026-000070150

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000070150) never changes.

Identity and time

Publication numberOT-2026-000070150 · never reused
Internal UUID01a0ae91-1862-793a-890f-abb3c9069135 · 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-2026-000070150
StatusPUBLIC

Content hashes

Canonical text933121219369efe1c1dab606ce1cb1f3e199ea5186333fd9e296013586c2dc8b
Markdown032f769e195de125ac6f860d79df942e7afbb2d0087b55f3f8d994d60eb56d7b
PDF
Publication page0c1e09ac1943937335b14793d1cddab64491b496bcd75a04985b5508dd5ab1b9
Manifest838b0340d68cfb68b39128151627496e611184d9ac433bfe7c831f4896fa18b4

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
Signaturet5OFdSmdZ4nft8H8KJqRzcydC/ZdqrR9tDuA9LtD0DxYxWngsqBdycyhfMnovAyNBKnSQmQNjbllg1EokpSKBw==
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

2026-09-17T10:27:11.779841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070150
observed 0c1e09ac1943937335b14793d1cddab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.761381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070150/manifest.json
observed 838b0340d68cfb68b39128151627496e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.744012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070150/publication.md
observed 032f769e195de125ac6f860d79df942e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.725311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070150/publication.txt
observed 933121219369efe1c1dab606ce1cb1f3...
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.