OpenTechnical

OT-2026-000084205

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, sustained blow-off 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-2026-000084205) never changes.

Identity and time

Publication numberOT-2026-000084205 · never reused
Internal UUID01a0ae98-5b60-7d97-a529-4fab3397490b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084205
StatusPUBLIC

Content hashes

Canonical textf7b7d33238ce89d68c72f399b4cf21bb9749e309b4a69d78401426f33b05220c
Markdownae2dbaa81e74fe6e618745f9dc5aca2c1ab7cefa7117429e0ad97254b41b5536
PDF
Publication page5e095b287a56ef7f040231f05a3425b8e5db70090e38fb2613a856dfdb3d2923
Manifestb71a124b8046a604693ea3231a4c7940abf71450e1155118a387f63ddf338c1c

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
Signaturek6x/zyjYY3hPY9y+0QyuhNhIarJLQU+C8+Z3Gq/JSHBCMA389bBP7+CR0OAag7Q9ayKb5VkZ7cCCxZDL/llaCQ==
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

2026-09-17T09:55:59.293017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084205
observed 5e095b287a56ef7f040231f05a3425b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.273001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084205/manifest.json
observed b71a124b8046a604693ea3231a4c7940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.255226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084205/publication.md
observed ae2dbaa81e74fe6e618745f9dc5aca2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.237500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084205/publication.txt
observed f7b7d33238ce89d68c72f399b4cf21bb...
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.