OpenTechnical

OT-2026-000058198

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000058198) never changes.

Identity and time

Publication numberOT-2026-000058198 · never reused
Internal UUID01a0ae88-6edb-7815-a8da-dd537bdc4de3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058198
StatusPUBLIC

Content hashes

Canonical text0ca577cc7d9ae9cef091716317dd55eb5a42b298b0124cc2d01d20cd64c59351
Markdowndb28df4bfa82d835ad75002181bc762a57a81bf29d6b776a8461a870521eedd8
PDF
Publication pagefde8c9555dd71fc0952b5573ac53dbc7cf81bc24c708a42a29a734cd323a9dfa
Manifest94f7ccc95e2ae5440f7f8896fcc2e4a1eb1375e3d642efb87cf5ca9fa9392925

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
SignatureTa6T+xyO8uY65Z2baV7I4POge72WHi32Deo711fQkuoFNT2Q+wRMjknaTZ0Z3zjFgUMvOqxFMxTXqQz79CXsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:54.306001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058198
observed fde8c9555dd71fc0952b5573ac53dbc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.288504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058198/manifest.json
observed 94f7ccc95e2ae5440f7f8896fcc2e4a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.271565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058198/publication.md
observed db28df4bfa82d835ad75002181bc762a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.253430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058198/publication.txt
observed 0ca577cc7d9ae9cef091716317dd55eb...
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.