OpenTechnical

OT-2026-000062486

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000062486) never changes.

Identity and time

Publication numberOT-2026-000062486 · never reused
Internal UUID01a0ae8c-0ac0-79ac-a2e9-1529756b734b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062486
StatusPUBLIC

Content hashes

Canonical text040e7b3013892edc28c2b8b854b2e1d58f0023b34f982a9c690643e7539f8053
Markdown5ea85e54cc3a54a91c5e1c9ae17544af4f788aba28bb7d1225195930d44b5871
PDF
Publication page3fda9e06f5896f34fb44aeeb9a1c3c3036c5d81373854abbaab5490ae8ba0ac2
Manifeste18a7187e326e4cb2ad1e98fb80d8b1c1a29a7cd6e63a460cb12c80764bda593

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
Signaturegg5M2p6BAoMy9XDN02ArwR9Hb87h81TS1gfkSvuc4Jl3gXUG4F7KV0x68YUtS8JYjRUwUGzcb3KdTyph4QrDDg==
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

2026-09-17T10:39:50.642195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062486
observed 3fda9e06f5896f34fb44aeeb9a1c3c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.621369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062486/manifest.json
observed e18a7187e326e4cb2ad1e98fb80d8b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.600558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062486/publication.md
observed 5ea85e54cc3a54a91c5e1c9ae17544af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.581362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062486/publication.txt
observed 040e7b3013892edc28c2b8b854b2e1d5...
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.