OpenTechnical

OT-2026-000026286

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000026286) never changes.

Identity and time

Publication numberOT-2026-000026286 · never reused
Internal UUID01a0ae71-f4a6-750f-a739-d64fe168c59c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026286
StatusPUBLIC

Content hashes

Canonical textcad83725e2f8e117397e57762f3ec0e67dd8b2dd51f1a9243b8e681ace928ef0
Markdownaad08d8047a4fb065725b55d6ee5520ede60dc30773fd298c3cfe0f57a77ce0a
PDF
Publication page342685d5fd8b00385cb4f78fd7af1ab8ef33ec656727d178117a1d3a808388f7
Manifest0d3089e1b2438e4b8b4d4a7b94aecd1d13823959a32d5c554d9b36c44214cc37

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
Signature1C1KQNnCEVNE8OLajOsdj9fUft89bRfh0ifCQ4Ifg1jp1GM/nW6FsybLLVBUiIvJLsgcVwUj+8bxhu7gzamUDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:14.060568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026286
observed 342685d5fd8b00385cb4f78fd7af1ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.043681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026286/manifest.json
observed 0d3089e1b2438e4b8b4d4a7b94aecd1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.026617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026286/publication.md
observed aad08d8047a4fb065725b55d6ee5520e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.010650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026286/publication.txt
observed cad83725e2f8e117397e57762f3ec0e6...
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.