OpenTechnical

OT-2026-000083475

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000083475) never changes.

Identity and time

Publication numberOT-2026-000083475 · never reused
Internal UUID01a0ae97-c965-728e-bfed-596282a2ce12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083475
StatusPUBLIC

Content hashes

Canonical text0ac13d4552df36c8f4924b6a2fbc55a24671cacab909729338ce4c3a92c1f032
Markdownb796c74c003f7d45c3420d23918134c75e83658f4011d45a32938d30a103317b
PDF
Publication page9f1ce37e9a67be7750654a18c99e0c16d0ac5e458433006ab4b653c620692b58
Manifest8842837fb66fa1718f7c605db569fbd108dcddad736d3a70d2333cb9b7c0baaa

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
Signaturejx5Sjj36aqSlOK1R3G7YYk42Cn42AH/ZdoGbVaGt4V3na+1MmqXN9DjINb+O2F53kWUA8IZ5FZ000c37X+ppDQ==
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

2026-09-17T09:57:53.855092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083475
observed 9f1ce37e9a67be7750654a18c99e0c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.838760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083475/manifest.json
observed 8842837fb66fa1718f7c605db569fbd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.822828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083475/publication.md
observed b796c74c003f7d45c3420d23918134c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.805513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083475/publication.txt
observed 0ac13d4552df36c8f4924b6a2fbc55a2...
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.