OpenTechnical

OT-2026-000018680

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000018680) never changes.

Identity and time

Publication numberOT-2026-000018680 · never reused
Internal UUID01a0ae6e-d520-7162-bc27-6ab3656abbc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018680
StatusPUBLIC

Content hashes

Canonical text6ecad044ec2155825be4df71670e2c32d810d24337e2c0de419184658376c9e1
Markdownf4c8c393f3d71223005b601860853ead9b7fc6ce148f38284fa2bf2c685817fd
PDF
Publication page11e974562108f14ae2af5ca59eb625180e550a59aa6bdb975a0adb34d06854cb
Manifest443c5f639d970f8d85da7c8642d830b30eb4986c43b75f7c4780f5864a16bf23

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
SignatureQO+TDlMrmocmjpW+H6jSSME0y8cyF/VmAQlpd8L+NPag9DnVAc4IQ/1J/3uvUiYcXMWT15FbxtwCSYXXQTAyBQ==
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

2026-09-17T11:59:16.592153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018680
observed 11e974562108f14ae2af5ca59eb62518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.573024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018680/manifest.json
observed 443c5f639d970f8d85da7c8642d830b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.555972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018680/publication.md
observed f4c8c393f3d71223005b601860853ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.538203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018680/publication.txt
observed 6ecad044ec2155825be4df71670e2c32...
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.