OpenTechnical

OT-2026-000081451

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000081451) never changes.

Identity and time

Publication numberOT-2026-000081451 · never reused
Internal UUID01a0ae96-f375-7f04-afb0-13006a61aeff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081451
StatusPUBLIC

Content hashes

Canonical text8cd19ee11eef9c9a73dc5d8b24e7b548dcdbe1221c98a256525d74bc46072202
Markdowna2081e37862eaa9c5b1b2c8e4142b7772cf36bc2d01709033df5960e106c6f20
PDF
Publication pagebe407893be8bf88bca1392447edd7959b22498d7dda23e738ff8213fcac3b7b2
Manifest3cd0bc739417d3c5c3147ba81689669363b296431a0c3ee457677edd499c983e

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
SignatureHuo9qIOfFcZwA/ZOUwO6Rl7v7fjbdMtE1vMA5alpwzg4hg2zhWL3fxCYViAp068L3uAhfWIiVKyAAFoDqvY7Bw==
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

2026-09-17T10:01:36.752594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081451
observed be407893be8bf88bca1392447edd7959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.734741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081451/manifest.json
observed 3cd0bc739417d3c5c3147ba816896693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.716016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081451/publication.md
observed a2081e37862eaa9c5b1b2c8e4142b777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.699642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081451/publication.txt
observed 8cd19ee11eef9c9a73dc5d8b24e7b548...
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.