OpenTechnical

OT-2026-000078018

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000078018) never changes.

Identity and time

Publication numberOT-2026-000078018 · never reused
Internal UUID01a0ae95-2f44-7b9a-80a4-d9d81bd7b5f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078018
StatusPUBLIC

Content hashes

Canonical texte66378871c1fd47b3e973fd9cd730cd8d77044844c096202c6bb13b15ab184bd
Markdown6b167800c9b5549003bb6cfe0161525aec2e6763297930a00cf5cfb53c7e720f
PDF
Publication pagec5e5fe7259b7e9474b2ad5834fecae59243e247c40c59d53fd636a1493a3c468
Manifestce4fab30a34f266481d8e1a78415138ce13efb6b4d37a00263d1726b0f37d6b3

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
Signature7YUZYz91CTpqMOgcj+2sQED7krbvpufbC2nEqxiKHKe9rHCDgvhHmR2me4bhOgFBrtOhcpahEUcVMbbr1L0sBA==
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

2026-09-17T10:10:31.746064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078018
observed c5e5fe7259b7e9474b2ad5834fecae59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.727667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078018/manifest.json
observed ce4fab30a34f266481d8e1a78415138c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.705265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078018/publication.md
observed 6b167800c9b5549003bb6cfe0161525a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.559082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078018/publication.txt
observed e66378871c1fd47b3e973fd9cd730cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.430540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078018
observed c5e5fe7259b7e9474b2ad5834fecae59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.408834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078018/manifest.json
observed ce4fab30a34f266481d8e1a78415138c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.389929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078018/publication.md
observed 6b167800c9b5549003bb6cfe0161525a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.369448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078018/publication.txt
observed e66378871c1fd47b3e973fd9cd730cd8...
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.