OpenTechnical

OT-2026-000086755

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000086755) never changes.

Identity and time

Publication numberOT-2026-000086755 · never reused
Internal UUID01a0ae9a-2c99-78fd-b13c-1bd8c301d8df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086755
StatusPUBLIC

Content hashes

Canonical textaebd5082b2a5c8b5bc34f8365097b84c39092b6688bd08c49f15d7836a98f856
Markdown3ca786d764723681f8aec9b548a3fbb2f255bd62593d11e24e1d5acf25e7de5f
PDF
Publication page75cccbe81ac47da7b6cee43bfe8fa89059b7a2f0431a235f87d1f775d0dff290
Manifestb93254f260c54f5ae6f21dba504d55320da80168aa45748f63317337bda051ef

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
SignatureEoVJo/HZ8zeIlc27KR9h3zzPGwxSVLGEuDP+bq3SqskQOy78uBbQe/brNMTDbsYhlvqI1DwiX4APstQAwNvhCg==
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

2026-09-17T09:52:38.350826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086755
observed 75cccbe81ac47da7b6cee43bfe8fa890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:38.335135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086755/manifest.json
observed b93254f260c54f5ae6f21dba504d5532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:38.318529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086755/publication.md
observed 3ca786d764723681f8aec9b548a3fbb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:38.301294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086755/publication.txt
observed aebd5082b2a5c8b5bc34f8365097b84c...
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.