OpenTechnical

OT-2026-000082275

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000082275) never changes.

Identity and time

Publication numberOT-2026-000082275 · never reused
Internal UUID01a0ae97-4d94-71cc-a4f9-f89032134ccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082275
StatusPUBLIC

Content hashes

Canonical text7094867f18e98ede0eada1a830758857a50e5b06ba37c3fef6ef049722d6ca1c
Markdown87a8210fd9f07876cdf5b6e0c40114965ee03aa7ae3cee0310c17dfe57429609
PDF
Publication page0c2c0b271f475a41aa2e247ddf27bad7456d7aa3f5be5952fa811fd9135ea4f1
Manifest16d2b0734dbf4ef06cd4f184bd8bd2d059ce6444aa06aad464bf464b933c5dab

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
Signaturej4sVPOra6r6fx5lkw5KTuxVHxPDW2XYF64KyYLDZzr6jbtXsDkPeWY1XKOGGfuhxa7kZzCya5OB8L9qDdbTMBg==
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

2026-09-17T09:59:07.874492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082275
observed 0c2c0b271f475a41aa2e247ddf27bad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.856301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082275/manifest.json
observed 16d2b0734dbf4ef06cd4f184bd8bd2d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.838344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082275/publication.md
observed 87a8210fd9f07876cdf5b6e0c4011496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.820725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082275/publication.txt
observed 7094867f18e98ede0eada1a830758857...
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.