OpenTechnical

OT-2026-000084095

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000084095) never changes.

Identity and time

Publication numberOT-2026-000084095 · never reused
Internal UUID01a0ae98-5b5e-7a42-b818-461f2e6b5e4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084095
StatusPUBLIC

Content hashes

Canonical text846c146db64574e1d6ca4a502c7d66279270b3aa99fe1b067963056fed3c2e13
Markdown52d4ce187bd4e85527434e3d01ab714db89cc49f78ab33d609f3c2da775ea306
PDF
Publication page80cc482e9d636460f061b6ac2fbe35a9a8e6833f4fe325f7d7815544aac12634
Manifest8dfca3fec0e284e2e058ad78e4186f0f9c5846b810ecabcb2c72d822ade05390

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
Signature4PGWDt2cXFnmjO+Skq3weDdjePwQUxggIXgrWV0eKmx9k1DLQRHknkzSORq2nMMb3zRBfrkKL6pkVs1cAlIhCg==
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

2026-09-17T09:55:50.596939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084095
observed 80cc482e9d636460f061b6ac2fbe35a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.578052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084095/manifest.json
observed 8dfca3fec0e284e2e058ad78e4186f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.560568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084095/publication.md
observed 52d4ce187bd4e85527434e3d01ab714d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.543499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084095/publication.txt
observed 846c146db64574e1d6ca4a502c7d6627...
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.