OpenTechnical

OT-2026-000055081

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000055081) never changes.

Identity and time

Publication numberOT-2026-000055081 · never reused
Internal UUID01a0ae86-5e81-75cd-b87b-87d31f9a4503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055081
StatusPUBLIC

Content hashes

Canonical text7be703ff28ee34d7c4b792814a88be841f4190cd19a2b5dd740914faef467cc9
Markdown64af71f9d626bc78851442261ba8b82a7b2946ccce3c85ae041814c55ceba574
PDF
Publication paged3418faf1e33597a985f0c0b59fda94da8733ef7a7be24271f19630e81c108f0
Manifest2d2c25a77f5cfc83184dc9c4f2c206c70cb0d0d09650d68680f4e859e7742d25

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
Signature3luCnRBu9XJ5hGbB6tI/nkzY1RIARy3IOsRjYMlfLo3VfZ+0y2bDijJFzDINWmn+YU57NhIfA7KQR2l+OKuQCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:14.165838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055081
observed d3418faf1e33597a985f0c0b59fda94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.147616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055081/manifest.json
observed 2d2c25a77f5cfc83184dc9c4f2c206c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.126896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055081/publication.md
observed 64af71f9d626bc78851442261ba8b82a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.108058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055081/publication.txt
observed 7be703ff28ee34d7c4b792814a88be84...
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.