OpenTechnical

OT-2026-000049480

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000049480) never changes.

Identity and time

Publication numberOT-2026-000049480 · never reused
Internal UUID01a0ae81-8f7c-705c-9343-9d14e7e522e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049480
StatusPUBLIC

Content hashes

Canonical text6fbe47a10c60d06415da880e055d476e56c093019d0c97f51b69a27c7f7eda76
Markdown737b9a4051722a604c72f5f8a35edbf1323d3a9395e78e3197e2f5be3626d62a
PDF
Publication page5f919c96b3fe9bdeef38c45b460eef908350b48559d228dbf5e98b83db34c0c1
Manifestba61ed930cd8cd39467ce8b0412c1b78bab041e31953579c87ce01b9b3c86251

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
SignaturePVwuqPHMyeaJYIPrX2XCcnQADRqJlbCBLOC5Wm591tR2pVp0UHK+mxflIcBQZ9eliHMTxEDEBFcF0ThGFH9bDg==
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

2026-09-17T11:02:19.555700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049480
observed 5f919c96b3fe9bdeef38c45b460eef90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:19.538267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049480/manifest.json
observed ba61ed930cd8cd39467ce8b0412c1b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:19.519723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049480/publication.md
observed 737b9a4051722a604c72f5f8a35edbf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:19.500633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049480/publication.txt
observed 6fbe47a10c60d06415da880e055d476e...
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.