OpenTechnical

OT-2026-000029627

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000029627) never changes.

Identity and time

Publication numberOT-2026-000029627 · never reused
Internal UUID01a0ae73-5e22-7854-b24b-563f0830b367 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029627
StatusPUBLIC

Content hashes

Canonical texta58999fc4d5d77726d50ef00f60998dd9a3cb9debf605da976ae4b079bb67d08
Markdown0dce283156e46a26eb2aa919ec08b004b4fac2a5d9fd0c1de85a0bb97455cc16
PDF
Publication pagec1becbe5fa5216effda57cbf2e00acea6b14bde5df5b1439f3ae2722fef6c298
Manifest34ed221239096813bf4a83f424da8f65c255f72c4990a542468adb57d78e35b4

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
Signatureud8+VcmScDTejMeHc8dSGHLZLiy372QExZMSrSQ0qG9GXucv0T0SmEXCkfcwrAcIF0h7jjzHSeRE1Dpq+wv9BQ==
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

2026-09-17T11:39:20.150342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029627
observed c1becbe5fa5216effda57cbf2e00acea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.129830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029627/manifest.json
observed 34ed221239096813bf4a83f424da8f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.111165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029627/publication.md
observed 0dce283156e46a26eb2aa919ec08b004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:20.093038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029627/publication.txt
observed a58999fc4d5d77726d50ef00f60998dd...
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.