OpenTechnical

OT-2026-000095482

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095482) never changes.

Identity and time

Publication numberOT-2026-000095482 · never reused
Internal UUID01a0ae9f-8f73-7966-ab32-147f5fb9bf9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095482
StatusPUBLIC

Content hashes

Canonical textde2f34aa09aacbe6d8fc026cfb29852e4e33a41823bab2804645a990dfdc5827
Markdown49e54440d38b5c0c115610f2a4fc34b655c9499cffdce7b713681717d5753655
PDF
Publication pageb8cf8d815d2bd38adaf2796686f09d8118c2f862bc3b34e90f8b63fc602a13aa
Manifest3cc4923e7f869dffae53d1e5d10bfcb33d792663d1f6e1218a0f8f78856e7f39

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
Signatureai7whXWi3mDca0BloX3XFom2Kmup9s0s8tuVVfs9/SEC+6ICJHhtizJ+kioO6yx+QOy+ub3VGi1wnqh8SCULAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:51.523483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095482
observed b8cf8d815d2bd38adaf2796686f09d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.504672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095482/manifest.json
observed 3cc4923e7f869dffae53d1e5d10bfcb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.487540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095482/publication.md
observed 49e54440d38b5c0c115610f2a4fc34b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:51.470386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095482/publication.txt
observed de2f34aa09aacbe6d8fc026cfb29852e...
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.