OpenTechnical

OT-2026-000027251

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000027251) never changes.

Identity and time

Publication numberOT-2026-000027251 · never reused
Internal UUID01a0ae72-6996-75e6-8d60-e487ae6122b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027251
StatusPUBLIC

Content hashes

Canonical text5e4a9de6f2df3bbf10ca8a5040a8551e15966725eb32c1159a64d973e74dde32
Markdown4d5d0d8fb144fffefca9648ad6d15b7e7d7be0ee72971cf99d6ff22dc2ed436f
PDF
Publication page07fda8945e011a066068647b10270b8a8877953bb96942316c3e8d076dda61aa
Manifest6e5d8ac1b42bfc68bafd9bd2d0321cde1c9a35bfa2de3250bffe16a3d0ec23ec

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
SignatureJRn74smaJIyseq/xIjiBqehHiVNB6gTck98fl59X+vKzmFin0KutSnklNfUbTBUC1ZCGpUI/e1CV2HDXWq25AA==
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

2026-09-17T11:42:37.254237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027251
observed 07fda8945e011a066068647b10270b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.236885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027251/manifest.json
observed 6e5d8ac1b42bfc68bafd9bd2d0321cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.219592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027251/publication.md
observed 4d5d0d8fb144fffefca9648ad6d15b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.202785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027251/publication.txt
observed 5e4a9de6f2df3bbf10ca8a5040a8551e...
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.