OpenTechnical

OT-2026-000023159

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000023159) never changes.

Identity and time

Publication numberOT-2026-000023159 · never reused
Internal UUID01a0ae70-7267-76ec-9fe3-9152c4ab6eb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023159
StatusPUBLIC

Content hashes

Canonical text7d32833a30861b8b0116f4e5608933b4dfedb343de9d4a4f3cbb09a0e5df3157
Markdowna4de63c7e3fe6b67cd7d8fdaba10820db9aa491a76d5883a75edc17ded271f0f
PDF
Publication pagebf5c6ca2bb00807c77aae1943382aeace8e3c84e136dc5912dc03a1ed819dd46
Manifest66328396f8fc34ab76facc64b0016338dcf40d5622cd748b550bed3eb091c6bf

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
SignatureXb6DXMWU1cXazTiNodh9Knz53FO12S8raSc4uAUAPhszWbxxTCKj4ViALx8MSylM96aQ3EdHrT9Nw18kImpCCA==
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

2026-09-17T11:51:05.896670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023159
observed bf5c6ca2bb00807c77aae1943382aeac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.879735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023159/manifest.json
observed 66328396f8fc34ab76facc64b0016338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.861261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023159/publication.md
observed a4de63c7e3fe6b67cd7d8fdaba10820d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.843116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023159/publication.txt
observed 7d32833a30861b8b0116f4e5608933b4...
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.