OpenTechnical

OT-2026-000084500

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000084500) never changes.

Identity and time

Publication numberOT-2026-000084500 · never reused
Internal UUID01a0ae98-e259-720a-94f5-4ab5c7293b02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084500
StatusPUBLIC

Content hashes

Canonical textdac3611b4da52aac5dd1e0877801c7ccd8cb64c7e6430fefd2e80cc7ec095893
Markdown2ce1fc09cc0cf6391f2b9043588b96b21e81f53818d1b1631fe0b400f9480fb7
PDF
Publication page39645c32de3b134b8106ce696bd35a3920d0320d67fa279869ff26652c28275c
Manifest23aa370c1e6743a470673deefd8528f60cc87ca276766d4a4c5e9bb9cda6baf1

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
Signature7e0xUZaIYVEw+HZBOZ4qiNDf6nO/3nZEFO8izMY3T6FhmNPrvwkSyMWZnuxsOvKrPbXF5zQxM0bBhN5qnlyWBw==
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

2026-09-17T09:55:22.494048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084500
observed 39645c32de3b134b8106ce696bd35a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.478608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084500/manifest.json
observed 23aa370c1e6743a470673deefd8528f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.460624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084500/publication.md
observed 2ce1fc09cc0cf6391f2b9043588b96b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.444781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084500/publication.txt
observed dac3611b4da52aac5dd1e0877801c7cc...
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.