OpenTechnical

OT-2026-000055281

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before set-down

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-2026-000055281) never changes.

Identity and time

Publication numberOT-2026-000055281 · never reused
Internal UUID01a0ae86-a100-74c5-9bb6-16c6147a6c83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055281
StatusPUBLIC

Content hashes

Canonical text001a35f5b019fda424cbc7a63ce9535ddfb9e15b0f589acd5ca1748fefd7e9d4
Markdown5d393dc2c24ec4d78e397289406ea8f471b19f56f516101182c44ea8b1b4fb3f
PDF
Publication pagee77e1ad674c21a506683a13b09e20bbc8c7792e55a1dd5cef12340fbc84fd693
Manifestfc398b34ca8d5a5486c7727297802c31c4493e2904c1f6d11ac60056d52ba370

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
Signature1YlYUxipmH1ZEnv7JFNHFVb6qQeKBXu41dag2518mJmKHVLIaZEDs5ov9HLFSz4No0LwBT/dwP4Yk/L8oiFkDA==
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

2026-09-17T10:51:52.582294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055281
observed e77e1ad674c21a506683a13b09e20bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.564052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055281/manifest.json
observed fc398b34ca8d5a5486c7727297802c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.547273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055281/publication.md
observed 5d393dc2c24ec4d78e397289406ea8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.526985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055281/publication.txt
observed 001a35f5b019fda424cbc7a63ce9535d...
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.