OpenTechnical

OT-2026-000079741

Publication integrity record

Foam pad 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-2026-000079741) never changes.

Identity and time

Publication numberOT-2026-000079741 · never reused
Internal UUID01a0ae96-4375-7fca-be98-5c9604a1a7ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079741
StatusPUBLIC

Content hashes

Canonical text4e5b7a2ad599950856011179e85ebb10ac1350652cfc30d18a19720300b7f8a9
Markdown85808d76684b615efcc77370883fad4b0cdcdc96ab8fd9d5e6a88f589600ba00
PDF
Publication page942ae8e67f0ccd0947730f25b6cf3c7b908c95d7241df4b16611fc39993512cb
Manifest6fade2d22c06eafafe152f16c395307de8e6ce5c4f3a0fa0bedeff55a6b64e49

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
SignatureXT37M4BqlqfALoH3P0KaQ66a2o6DD4an6d9FgtPfm5eQb9Z1a4drRvWYfHsciUFrqPYWn/aC378tCpCZ2S0lBQ==
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

2026-09-17T10:03:36.440883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079741
observed 942ae8e67f0ccd0947730f25b6cf3c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.422992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079741/manifest.json
observed 6fade2d22c06eafafe152f16c395307d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.406943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079741/publication.md
observed 85808d76684b615efcc77370883fad4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.390138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079741/publication.txt
observed 4e5b7a2ad599950856011179e85ebb10...
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.