OpenTechnical

OT-2026-000086721

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two 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-2026-000086721) never changes.

Identity and time

Publication numberOT-2026-000086721 · never reused
Internal UUID01a0ae9a-2c99-76a4-8a7f-f1e5e844563b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086721
StatusPUBLIC

Content hashes

Canonical texta35c6e3ca0c24d7f38f424dcde189f194ec8267108a064265142aa63848ad0dd
Markdownac2f6b8f9f85b978008c3093f96cb2bbd5695d57815029b010b873e1f6a007cf
PDF
Publication page6caa09ab9676fd19e7f8bed62b042cf3dc500e31be039f0fc038e44207703373
Manifest9b8c48428e6ffa098c0e9ffff22a111a26a3ca477bc0130b30a9511ed154d619

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
Signaturehg7nKFhSipJC5Uj6jKvMOnTBRMh2aGZIOvnsUBOf2t7uRVhiG9wCM5yl7PCjzYqHumgTeyS3se8FQYMD1YXLCQ==
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

2026-09-17T09:52:35.878288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086721
observed 6caa09ab9676fd19e7f8bed62b042cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.861330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086721/manifest.json
observed 9b8c48428e6ffa098c0e9ffff22a111a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.843998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086721/publication.md
observed ac2f6b8f9f85b978008c3093f96cb2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:35.825707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086721/publication.txt
observed a35c6e3ca0c24d7f38f424dcde189f19...
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.