OpenTechnical

OT-2026-000015127

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000015127) never changes.

Identity and time

Publication numberOT-2026-000015127 · never reused
Internal UUID01a0ae6d-ef47-7fee-beb1-ce14c947daf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015127
StatusPUBLIC

Content hashes

Canonical text167b5c0618383a4725bb130d254954e3301ee52ae5ed196e759baefbcacd3a24
Markdownab74d02433bcc3d8fb0291000d01aa4a330fb0e00e5134fd557eee3a4eec520e
PDF
Publication page6edd41731a2c7c67a2e230760b757fee49e5e22ff3aa46fe2de00ef7a80b8a45
Manifest1e213fe637d5fe590e0a80db1c11e0adfa915e30ee37edc49fc58c73102cf4fc

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
Signature/SAYjEkxbydMtV6cPF6ZaOe6Zz1CGgBJFJckKGUpPdoISGHK1pNMgRxWPRUJab4g/QIDY9vFrC84ii9xJltCCw==
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

2026-09-17T12:05:43.446441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015127
observed 6edd41731a2c7c67a2e230760b757fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.426647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015127/manifest.json
observed 1e213fe637d5fe590e0a80db1c11e0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.406177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015127/publication.md
observed ab74d02433bcc3d8fb0291000d01aa4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:43.387740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015127/publication.txt
observed 167b5c0618383a4725bb130d254954e3...
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.