OpenTechnical

OT-2026-000027655

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000027655) never changes.

Identity and time

Publication numberOT-2026-000027655 · never reused
Internal UUID01a0ae72-6999-7017-bb42-48155462fcd8 · 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-2026-000027655
StatusPUBLIC

Content hashes

Canonical text649d523aea91fa960e7b310c07fc7ad91492caecd473e716ca4d6558454a814c
Markdown7dc847228ef02799f5d05bbf16b92e0e15c203b1efd6532cec9a31e2fa31976d
PDF
Publication page87ecb0509d1d71b948e4c056fea03bfcbca8bafe7e76b9a27e22d4425c5acb61
Manifest7e9fea9554474d3d3d0014a76f96f84ada5e3b213c3a097d924f998c35c99766

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
SignatureWM0F7WVu7m26Id0gBQ/8x4rM2KztAvofP3jz/ng+GnFYV5zhbCwY8Db1xE1Afrjieqt9glkByelgPvGT4pUvCA==
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

2026-09-17T11:43:11.097884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027655
observed 87ecb0509d1d71b948e4c056fea03bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.078941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027655/manifest.json
observed 7e9fea9554474d3d3d0014a76f96f84a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.061809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027655/publication.md
observed 7dc847228ef02799f5d05bbf16b92e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.044139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027655/publication.txt
observed 649d523aea91fa960e7b310c07fc7ad9...
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.