OpenTechnical

OT-2026-000089501

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000089501) never changes.

Identity and time

Publication numberOT-2026-000089501 · never reused
Internal UUID01a0ae9b-db02-78d4-b919-39830bcf4cec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089501
StatusPUBLIC

Content hashes

Canonical text6fa416f99c3a54bb75e356eab33f6fbdbfe38f05f4739c33ef9f2cb76b7c0ee5
Markdown70516a1374d183a9b142db08a19335232a7099f5a69f1798e43dc52a87e42958
PDF
Publication pagef4fa28ef1ed8e387204aa0b21ee4acd04ceb300aebec7178eb47799a13edfa17
Manifestd8739be5df1aa58538ae4b0801df9b56b489e86fd2974a5eba0f43f6828c4243

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
Signature4wKueli0NcTXNNXqjVd53YrlC/e5SDfXgpCXTiU1WWE2w8hSLxCg3dQYC+C15qwFBiu5mBsvpQd1RPuOvN0iDQ==
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

2026-09-17T09:47:39.304027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089501
observed f4fa28ef1ed8e387204aa0b21ee4acd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.287084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089501/manifest.json
observed d8739be5df1aa58538ae4b0801df9b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.271280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089501/publication.md
observed 70516a1374d183a9b142db08a1933523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.255275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089501/publication.txt
observed 6fa416f99c3a54bb75e356eab33f6fbd...
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.